Backblaze Review

Backblaze is's top online backup provider thanks to its stellar ease of use and friendly pricing. That's not to say it's perfect, though, so read our full Backblaze review before you commit and make sure it's the best option for you.

By Branko VlajinWriter
— Last Updated: 28 Oct'19
Table of ContentsRating
Ease of Use
File Backup & Restoration
Very Good
User Reviews & Comments

Very Good
Starts from $ 458 per month for Unlimited GB
Save 24 %

Strengths & Weaknesses


  • Unlimited backup
  • Low cost
  • Easy to use
  • Backup by file type
  • Block-level backup
  • Bandwidth speed up
  • External hard drive backup
  • Mobile file access
  • Sharing capabilities
  • Courier recovery
  • File versioning
  • Strong security features
  • Live chat support


  • Private encryption not end-to-end
  • Limited to one computer
  • No mobile backup
  • Versioning limited to 30 days

Backblaze is a U.S.-based company that was launched in 2007. It prides itself on simple and easy backup, which it also makes unlimited for one computer. It achieved that without sacrificing much else. The pricing scheme is as straightforward as its backup process. It’s also cheap.

Besides your computer, you can backup external hard drives.

Because initial backups can be slow, Backblaze offers you a way to speed yours up by increasing the number of backup threads you use. You can also throttle the backup if it takes too much of your resources. Other features include sharing and the ability to locate your computer if someone steals it.

It’s not all rosy, though, because Backblaze’s implementation of private encryption isn’t end-to-end, versioning is limited to 30 days and you can’t backup your mobile like you can with some backup services. We’re going to go into more detail in this Backblaze review, so keep reading if you’re thinking of giving the service a shot.

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90% - Excellent

One of Backblaze’s main features is its simple and straightforward unlimited backup. Thanks to that, it’s at the top of our best unlimited online backup list.

The flip side of being a simple service is that it doesn’t offer many features like services such as IDrive, SpiderOak ONE and CloudBerry Backup do. They have more complicated backup and recovery processes, though.

IDrive is near the top of our best online backup list. It has sync features, along with more complex scheduling options. You can read more about it in our IDrive review. SpiderOak ONE is even more sophisticated and feature-rich. If that intrigues you, read our SpiderOak ONE review.

That said, Backblaze has tricks up its sleeve. They include speed throttling, multiple backup threads, external hard drive backup, file sharing and smartphone access.


Sharing lets you generate a link and copy and paste it to a social network, for example. Backblaze also uses versioning to save previous versions of files, but only for up to 30 days.

Another useful feature is the option to inherit backup states. That means if you move Backblaze to a new computer or install a new operating system, you can resume your backup where you left off.

The web client lets you locate your computer if you have the mapping feature on. That means if someone steals your computer, you can use Backblaze to help locate it.

Backblaze has strong security features, too, but we’ll cover those in more detail later. They include semi-private encryption and two-factor authentication.


100% - Excellent

Backblaze’s pricing scheme is as simple as its backup and restore capabilities. There’s only one plan for personal backup, and it gives you unlimited backup for one device. It’s $6 per month, which makes it one of the best values on the market.

If you don’t mind paying for the long run and you like to save money, you can lower the price to $5 per month by subscribing to a year in advance or pay even less than that if you sign up for two years. We recommend making a long-term commitment if you decide Backblaze is the right service for you.

Unlimited Personal
  • Save $12 on 1 year plan. Save $34 on 2 year plan.
  • Unlimited GB Storage
1-year plan $ 5.00/ month
$60.00 billed every year
Save 17 %
2-year plan $ 4.58/ month
$110.00 billed every 2 years
Save 24 %

Most services don’t offer month-to-month option, so subscription flexibility is another feather in Backblaze’s cap.

One of Backblaze’s competitors is Carbonite, which also provides unlimited backup. That said, the closest match to Backblaze’s price is Carbonite Basic, which is more expensive at $71.99. It also doesn’t include external hard drive support. For that, you’d need Carbonite Plus, which costs $111.99 per year.

IDrive is currently 50 percent off, brining the price down to $52.12 for a year. That’s cheaper than Backblaze, but it only offers 2TB of backup space. That said, it provides 2TB of sync space and lets you backup unlimited devices. That’s the typical trade-off between unlimited space and unlimited storage that online backup solutions make.

In the end, Backblaze provides unlimited storage for cheap, and that’s going to be what seals the deal for most users. Those who would prefer a different service should consult our online backup reviews library.

Ease of Use

96% - Excellent

Backblaze offers the easiest backup experience we’ve tested so far. It selects files by default, so you don’t need to pick and choose which you want to backup.

It selects most files, but excludes operating system files, applications and temporary files. That’s because they’re transient and won’t be useful later. Backblaze also excludes podcasts in iTunes. You can go into the “exclusion” tab in the settings and manually tweak what you don’t want to backup, too.

Backblaze’s desktop application has a minimal design that makes sure you’re not overwhelmed with options. You can see the status of your backup at a glance, while other options are hidden behind the “settings” button.

You won’t have to tinker with it unless the backup process is interfering with your regular computer use. We didn’t experience that during our testing.

The web panel is also straightforward. You can use it to view and restore your files, see what you’ve restored and shared and locate your computer.

The mobile client follows the same design principle. The menu on the left lets you browse your backup, see what you’ve downloaded from it and access settings.

File Backup & Restoration

92% - Excellent

After the installation, Backblaze will select files to backup based on its scan of your hard drive. There are no file size limits. Initially, you’ll see a list of files and file types that Backblaze has selected. Once you confirm it, your backup will start.

Depending on the amount of data backup can take a long time. To combat that, you can exclude file types and folders that you don’t need to backup. You can do so in the “exclusions” tab of the settings menu.

Once the backup finishes, you can set a schedule to control when subsequent backups will start. Continuous backup is selected by default, which means Backblaze will update automatically whenever there’s a change on your hard drive. If that’s not a viable option, you can choose to run backup “once per day” or “when you click.”

Once the backup finishes, you can set a schedule to control when subsequent backups will start. Continuous backup is selected by default, which means Backblaze will update automatically whenever there’s a change on your hard drive. If that’s not a viable option, you can choose to run backup “once per day” or “when you click.”

If you choose “once per day,” you can set when the backup starts and ends. The “when you click” option runs the backup process immediately.

Other backup services, including IDrive and even some offline backup services, have much more intricate options for scheduling your backups. Among them are restricting your backup to certain days of the week, specific days of the month and more.

That’ll only be important to some users because the continuous backup is the better way to go in most cases.

Using Backblaze, you can also backup any USB or external drives you have, excluding network-attached storage devices. If you have them connected during the initial scan, they’ll be included automatically. Otherwise, you can plug them in later and include them from the settings.

Note that your external hard drives need to be connected to your computer and scanned by Backblaze at least once every 30 days to keep them backed up.

You can run the restore processes with Backblaze from the web interface. You can get to them fast by clicking the “restore options” button in the desktop client. You’ll see four options to get your files back.

The most common — and free — option is to restore via .zip file. That said, it’s limited to Backblaze and can take a lot of time. You don’t have to twiddle your thumbs in front of the computer waiting for it to finish, though, because you’ll receive an email once your .zip file is ready. A maximum of 20 requests can be submitted at a time.

An alternative method involves the Backblaze courier recovery service, which is faster for large restores. You can use the courier service to ship a USB flash drive or USB hard drive via FedEx where available. Note that you can’t ship to a P.O. Box.

USB flash drive restores cost $99 and can contain up to 256GB, and USB hard drive restores cost $189 and can contain up to 8TB. Both include the cost of shipping.

The last option is archiving your restore to Backblaze B2 cloud storage. Backblaze B2 will keep your files in a .zip format, even if they’ve been removed from your computer, and back them up until you delete them from its storage. You can download the restore at any time. You can learn more about Backblaze B2 in our Backblaze B2 review.


87% - Very Good

There’s no getting around the fact that initial backup can take a long time. How long it takes depends on your internet service provider and how close you are to a server. Your connection will be better the closer you are. Backblaze doesn’t limit your speeds, so the main factor that affects them should be your distance from its data centers in California and Arizona.

Backblaze lets you tweak transfer settings, throttle speeds and use a block-level transfer algorithm to help after the initial backup. You can increase the number of backup threads you have running to make uploading faster. If that doesn’t help, Backblaze recommends excluding junk files and files you don’t need to backup from the selection.

In most cases, we use a 1GB folder to test upload and download speeds, but that wasn’t possible with Backblaze because it backs up data automatically. Because of that, we had to exclude files until the size was sufficiently small and then check Backblaze’s prediction.

There’s a button in the client that says “how long will my first backup take.” When you click it, you’ll see a page where Backblaze gives you an estimate for how long your backup will take. In our case, it was 13 days for 25GB.

That works out to around 80MB per hour. Upload speeds on our test computer were clocked at 6.3 megabits per second, which should, in theory, upload at a rate of around 1GB per 24 minutes. Note that we ran our tests from Belgrade, Serbia, which isn’t exactly close to either California or Arizona.

There’s another tool that tests your connection to Backblaze’s data center to give you a sense of how your transfer will go. Contrary to Backblaze’s prediction of 13 days, the tool said our upload speed is enough to upload 68GB in a day, which is more in line with our expectations. We excluded more files and uploaded 4GB in the time the tool predicted.


78% - Good

Backblaze has formidable security features, including private encryption. It’s disabled by default, though, so you have to enable it. Otherwise, Backblaze will retain your encryption key.

Regardless, the implementation of private encryption is flawed because recovering encrypted files requires that you send your passphrase to Backblaze for decryption.

That’s because Backblaze restores files over the web, rather than using the desktop client. That said, the company claims that “your passphrase is never saved on disk and it is discarded once it is used.”

Besides private encryption, Backblaze encrypts your files at-rest using AES 128-bit. It’s not as strong as AES 256-bit, but it gets the job done. The SSL protocol protects files in-transit.

You won’t have issues if someone steals your password because Backblaze provides two-factor authentication, which requires a six-digit security code every time you log in, making it hard for anyone but you to access your account.

Backblaze data centers keep copies of your files on multiple servers using a RAID setup for redundancy. Centers can withstand natural disasters and physical intruders. To that end, they’re SSAE 16 SOC 2-compliant, and they use biometric security, ID checks and area locks that require badge-level access.


79% - Good

Decrypting your private key, even though Backblaze claims it deletes it afterward, isn’t fertile ground for good privacy. Add to that the fact that Backblaze is a U.S. company and subject to U.S. cloud laws and regulations. Let’s not forget the PRISM project, either. If such laws make your hairs stand on end, check out which countries have the best cloud privacy laws.

In its privacy policy, Backblaze says it collects personal information that you provide and metadata that helps it improve its products. It also says it doesn’t “rent, trade or share your address or e-mail address with any other company for their marketing purposes without your consent.”

Backblaze may use the information it collects for operating its online platform, understanding how users use its products, online account setup, sending marketing communications and more.

It may also disclose your information to third-parties where required by law or court order or other judicial authorization.

Backblaze shares your information with third-party service providers that help it run its platform. They include companies such as Stripe, Salesforce, Google Analytics, FreshBooks, Facebook, Twitter, Hubspot, MailChimp and others.

When you transfer personal information from the European Economic Area or Switzerland to the U.S., Backblaze adheres to the EU-U.S. and Swiss-U.S. Privacy Shield frameworks.

As a Backblaze user, you have the following rights:

  • You can access the personal information that Backblaze collects about you.
  • You can correct, update or request deletion of your details in your account by logging in to your account.
  • If you’re a resident of the EEA, you can object to the processing of your personal information, ask Backblaze to restrict processing it or request portability of it where technically possible, all of which corresponds to the General Data Protection Regulation.
  • Similarly, if Backblaze has collected and processed your personal information with your consent, you can withdraw your consent at any time.
  • You can complain to a data protection authority about Backblaze’s collection and use of your personal information.

You also have the right to opt out of Backblaze’s marketing communications. Plus, Backblaze’s privacy policy says it “will retain your personal information for the period necessary to fulfill the purposes outlined in this Privacy Notice unless a longer retention period is required or permitted by law.”


82% - Good

Backblaze has many articles dedicated to personal backup in its help center. They’re divided into categories for quicker access, but you can use the search bar at the top to find an answer, too. The articles are easy to follow and have screenshots to help you complete the steps.

If the articles don’t help you can always contact Backblaze support using chat or email. Chat is available Monday through Friday, from 9 a.m. to noon and 1 p.m. to 5 p.m. PST. If you’re not in a hurry, you can submit a request and get a response within a day. We did and heard back within 12 hours.

The Verdict

Backblaze is a capable service. Its main advantage is its simple backup process, which selects the most common file types across your computer for backup. Backblaze provides unlimited backup space, so you can select as many files as you want, but keep in mind it could take a long time to back them up. To combat that, Backblaze lets you speed up your transfer.

Using the service is straightforward, be it on the desktop, web or mobile client. You’ll use the web client to restore files, but you can also use the courier service to get a device with your data in the mail. For huge amounts of data, the courier service is much faster.

The pricing scheme is simple, too. It’s only $6 per month. A monthly subscription option is useful if you want more flexibility. Those who are certain Backblaze is the right service for them can pay for a year or two in advance to get a discount.

Private encryption should be end-to-end, without requiring the service to decrypt and use your private key. That’s a privacy concern even though Backblaze has a strong privacy policy.

What are your thoughts on Backblaze? Do you have an experience to share? Let us know in the comments below. Thank you for reading.

Starts from$ 458per month for Unlimited GB


Backup Scheduler
Continuous Backup
Incremental Backup
Image-Based Backup
External Drive Backup
NAS Backup
Server Backup
Hybrid Backup
Mobile Device Backup
Unlimited Backup
Unlimited Devices
Speed Throttling
Block-Level File Copying
Multithreaded Backup


Courier Recovery Service
Browser Access
Mobile App Access
Deleted File Retention


Private Encryption
At-Rest Encryption
In-Transit Encryption
Encryption Protocol
AES 256-bit
Two-Factor Authentication
Hardened Data Centers
Proxy Server Settings
HIPPA Compliant


24/7 Support
Live Chat Support
Telephone Support
Email Support
User Forum


File Sharing
Device Sync
Free Trial

Backblaze Review

Our favorite backup service for so many reasons.

Backblaze is's top online backup provider thanks to its stellar ease of use and friendly pricing. That's not to say it's perfect, though, so read our full Backblaze review before you commit and make sure it's the best option for you.
Starts from$ 458per month for Unlimited GB
Visit Backblaze

62 thoughts on “Backblaze”

  1. Hi,

    I have been using Backblaze for quite a while now and I am totally happy with it. I actually almost forgot that I was backed up at all until last week my PC crashed and just wouldn’t start. Fortunately, I could recover all my data thanks to this amazin piece of software.

    I had, however, some trouble with installing Backblaze but support helped me (it was some weird configuration I had no idea about). Could have been a little faster (waited 3 days) but they contacted me as soon as I reached out to their social media team.

  2. overall i will give backblaze 4 stars – there are a couple of things that i miss and that i think could be done better for example file restore can only be done via the web client and give you very little control over your restore. i was very satisfied wiht the speed of the backup (backed up 100gb in aournd 10 days). I had one little issue wiht my backups and contacted their support their response time could be improved it took them 4 days to get back to me but anyway – overall great service i feel like my files are pretty safe now.

  3. Hi,

    I’m actually a long time user of Backblaze and overall I’m quite happy with how my backups are running so far (that’s why I gave 4 stars). Backblaze does everything it should – it backs up everything you have automatically and it does it in the background. Their client is very light weight so you don’t have to worry about getting into trouble with your system resources.

    Performance is OK. You guys say it took you 9 hours uploading everything of your 10GB folder – for me it took longer but I don’t care as it runs in the background anyway and I can get my local backup on my NAS.

    Speaking about NAS: I’d love for Backblaze to have the ability to back that up, too, then it would certainly be the perfect online backup service for me. Instead, I have to look for other solutions that will back that up, too.

    Even though the software runs in the background, sometimes I’d love to have more options especially when it comes to back up scheduling but then again, this is online backup for absolute beginners and I’m just using it as a secondary backup solution for my files.

    I highly recommend Backblaze for people who are afraid about backups and don’t know where to start. If you have some technical background probably a different provider like Crashplan would be ideal.

  4. I’ve been using Backblaze for several years and have a few TB backed up so far. I love the lightweight client and how it is very unobtrusive in the recommended “continuous mode”. I don’t even know its there backing up all my data while I’m working. The performance is fantastic as it maxes out my 5Mbps upload speed when I’m not otherwise using it. I’ve backed up almost 50GB of photos in 24 hours before. That’s a lot of piece of mind. The incremental back ups are also great as I’ve had to restore files to a previous version before.

    For users that are wanting to back up a NAS to Backblaze, just connect the NAS to a computer locally via USB and set it up as an external drive for that machine. Then install the client and pay your $5/month to back up your NAS.

  5. The Backblaze downloader does not work. If you want more than 2 gig of your data back this forces you to buy the $189 drive, which is not 3 TB as advertised if your data will fit on a smaller drive.

    Support was unresponsive to my questions about known issues with the downloader.

    I lost my C drive. I’ve downloaded the same 9 gigs of critical data three times now. The files fail to unzip correctly. The data is corrupt and unusable. Backblaze support failed to respond to my yell for help.

    1. - CEO & Co-Founder

      I personally haven’t run into this issue in my test with restoring large amounts of files. Large zip files could be the culprit in your situation. Maybe you should try requesting smaller chunks of files?

  6. Here in New Zealand, we have monthly data caps.
    This renders cloud backup effectively useless for users with large amounts to back up – to back up my desktop Mac would require 11 months of my entire monthly allowance!
    ADSL is also very slow upload – only 1 mbps – so it would probably take 11 months too!

    I do successfully use Backblaze for my Macbook Air when travelling, however.

  7. I tried using backblaze to backup my personal photos and files. It would take 66 days to upload to backblaze and during that time I would need to have my computer running 24 hours/day. This is not acceptable. I did not attempt a restore but if my internal HD crashed, it would be almost impossible to download a complete set of files from their website. It would take forever. Backblaze charges $189 to send a flash drive no matter how many or few files you need to restore. That is a very expensive way to restore. There has to be a better way.

    1. - CEO & Co-Founder

      Unfortunately, that’s a general problem with cloud backup and pretty much the bottle. You can consider yourself lucky with only 66 days. But this is not Backblaze’s fault. Transferring files over the internet takes time and it depends a lot on your internet connection. You should always make a local copy first and then start your cloud backup, that way you can access all of your files in case of emergency.

      1. “Always make a local copy first.” Many of us newbies could use suggestions as to how to do this. Can you be of any help? Thank you.

        1. For local backups, such as to an internal drive or an external (USB) drive, you could try the ACRONIS program. I have been using it to backup my computers for many years. It works well. I have successfully used ACRONIS to recover my full system, when I screwed up some disk partitioning. The thing I like most about Acronis is that you can restore individual files from a disk image backup.

    2. It uploads in the background and is dependent on the speed you purchased from your ISP. When you download the data it transfers much faster than uploading. A huge file that takes 20 minutes to upload will likely download in less than 5 minutes. This is the internet and not a limitation of backblaze. If you want to backup and/or restore data in a few hours, the cloud method isnt for you unless you have a 1 gig up and down connection to the internet backbone. As far as restoring a computer image – you would simply boot to a linux usb drive and download the zip files that way. The only better way way would be for backblaze to provide a bootable linux image. But you would still need to download that to a USB drive.

      Its easier if you have multiple computers – but I have restored a system image just using a bootable usb stick. If you are worried you should create that stick now. Otherwise you will need to use another computer to download the linux recovery image and put it on a usb.

      Other than that – they could have you install a hidden recovery partition which would boot you into linux or something. But if your hard drive completely fails – that partition would also be gone and you would be back to the usb boot option again.

      Maybe a bootable usb recovery stick is an option they should sell. Maybe for 10 or 20 bucks for those that dont feel comfortable making one (Though its not that complicated). People like completely packaged solutions. In all for people just backing up data like photos, documents, videos, etc – it’s a real no brainer – reinstall your OS then download your backup and restore.

      Its also a good idea to make sure you have your OS restore disks. If you dont have them, many manufacturers have a way to burn them right on your working computer. But you’ll need to do it while its still working. If you dont have these – you will likely have a recovery partition. You simply make an image of that and burn it to DVD/CD. Because again – if you have a total drive failure – that recovery partition wont be there after the fact.

      You can of course backup that restore partition and/or disks to the cloud as an extra protection in case you lose the DVDs.

      In a perfect world you would turn on your PC and it would be backed up to the cloud. (We have that part down). Then if it detected a change in a system file, it will pull the correct one back from the cloud and replace it. If your main hard drive failed – no worries – there would be a small flash drive that held the OS – so you would just simply select restore where the OS would be restored and then then your data would begin restoring from the could. But until we all have 1 gig up and down internet – there will be a bottleneck that no software can overcome.

      I have 4 Terabytes of data uploading now. Its been uploading for a week and halfway done at this point. I really dont care that it takes that long. My upload speed is 25 Mb – download is 500 MB. So if your backup was going to take 66 days – you either have way more than my 4 Terabytes or you have really slow internet, router or PC.

      I recently moved from an area where by download speed was 20 and upload was 2 MB. I’m loving the 25 MB up – but I am a bit jealous of those that have 1 gig or even 100 mb up. And I come from a time before the internet where the max speed was 300 baud and there were no graphics other than ASCII and ANSI.

  8. You talk about the ‘tedious process’ of selecting your test files for backup. Couldn’t you just move it to it’s own partition and then only select that “drive” for backup?

    1. - CEO & Co-Founder

      Hi Atakartal,

      more than 4TB is absolutely no problem with Backblaze. But it will take its time depending on your internet connection.

  9. I’ve had a Backblaze subscription for 6 months and I have to say that it works fine to backup your data and do an occasional restore. It’s not a big deal that file permissions are not backed up, because I’m the only person who can access the backup anyway. But I do have a problem with the fact that Backblaze insists on making a local copy of each file that it wants to back up. That means that the amount of free space you need is the size of your largest file. At least it warns you when you don’t have enough space, but it doesn’t tell you which large file is being skipped when there’s not enough space available.

    The big problem that has me on the lookout for another solution is that restoring large amounts of data completely sucks. You can pay them to send you a USB stick or hard disk with your data (which makes me wonder how safely encrypted my data is, by the way), and it appears that they deliberately keep their free download-restore feature crippled to encourage people to pay 4 times the annual subscription rate to get a hard disk.

    If you want to download your data for free, you can select the files to download from a (slow) web interface that prepares a ZIP file from your data and then sends you an email when the ZIP file is ready. It recommends that you don’t create ZIP files of more than 20GB or so, and you can only create 10 restore-zips at a time. Once you create a ZIP file, you can’t see what’s in there, so if you have a large tree of big files to restore (let’s say a disk full of movies), you have to somehow manually keep track of what goes in each ZIP file.

    Creating a ZIP file goes pretty fast (though you can’t check for progress: it only says whether the file is available or not) but downloading it through the web interface is extremely slow. I think the web interface is throttled to 1 megabit per second or so, which is about 1/50th of the capacity of my connection. You can only download one ZIP at a time and various download managers that would normally be capable of creating multiple simultaneous download connections to increase speed, don’t work because the download is handled from a script.

    They have a downloader program that helps you download the ZIP files faster. I could download a 20GB file in less than an hour using the downloader. But that program has to be downloaded separately (it’s not part of the main user interface), and it doesn’t come with an installer, you have to just drop it on your hard disk somewhere and run it from there. Every time you want to download a ZIP, you have to restart the downloader, and every time you start it, you have to enter your account information, password, and restore location, and set the number of download threads (they recommend 1, I recommend 10). You can’t use common key combinations (such as Tab to navigate from the user name to the password field) so you have to use the mouse. But worst of all: the downloader always downloads only the latest ZIP file you created; you can’t simply choose which prepared ZIP file to download, and there’s no button “next ZIP file” or even a button to start over without re-entering everything.

    I was in a situation where I had almost 2TB on an external drive, which I lost in a move. When BackBlaze doesn’t see the external drive every so often, it deletes the data from the server (it warns you about this every few days) so if you lost the drive and need to restore its data, the clock is ticking. Fortunately I had most of my data on other disks, too, so I only had to restore a few hundred gigabytes. But I imagine people with slower internet connections would really have a race against the clock in situations like that, which is exactly what you DON’T want in an emergency situation where you lost a lot of data at once.

    As long as the restore process is as cumbersome as it is now, I have to say I can’t recommend BackBlaze as a primary backup solution.

  10. Backblaze is easy to use and it works quietly in the background updating my files. 5/5

  11. I would be careful about relying on BackBlaze to be there when you need it. I have seen instances of files being uploaded and never making it to their servers. I uploaded over 500 GB of data that just disappeared due to bugs in their program. If you have a slow internet connection and lots of data I would NOT use BackBlaze at all since their code is so flaky.

    1. - CEO & Co-Founder

      Hi Kolya,

      have you contacted their support? I have more than 1TB with them and never experienced any issues. They might resolve your problem quickly. It does take longer when you’re behind a slower Internet connection no matter the service you use (without wanting to take sides for Backblaze).

      1. I did contact support. I provided extensive data showing that the amount of data available for restoration was not increasing even though I was uploading > 75GB per day. Initially they said everything was fine. Eventually they admitted that there was a bug in their client code (versions 4.0.X before 4.0.2). But they would not consider that more bugs remained or pay much attention to my observations. From this interaction I learned two things: 1 – BackBlaze is not transparent about their problems with their customer base. 2 – BackBlaze is not receptive to bug reports from their customers – especially about complex bugs affecting a small portion of their customer base.

        I don’t trust this company any more – I will probably do my own archival using Amazon Glacier or Google Cloud Storage Nearline since I do not trust consumer grade online backup companies to be competent enough at handling my data. They are “best effort” outfits – most of their customers probably never attempt significant restores and when they do are not likely to notice missing or corrupted data unless it is very obvious. There are few online sources for information / reviews about these companies so they can get away with shoddy service.

        BackBlaze’s motto should be: we’re cheap, we’re friendly and we are better than nothing. Unfortunately I need better than nothing.

  12. I wanted to give 2.5 stars but rounded up.

    I have worked with many cloud backup service providers and while BackBlaze has it’s place it is not my solution of choice.

    BackBlaze is cheaper than most other providers, but this is reflected in their product in a number of ways. While for the most part it does the job to back up your files, it is an extremely no-frills solution.

    In short it is fine if you have a few users, (I’d say 10 or less). If you have more than that however, BackBlaze lacks the reporting, permissions, support, and other features needed to make it a viable solution and it will become a big administrative burden.

  13. I began my search for a cloud backup service for my MacBook Pro (mid-2010 model now 6 years old, but with upgraded 1TB hyrbid drive) about 5 weeks ago. Carbonate was my first thought as it has been advertised in podcasts I have listened to for years but after 4 weeks of it sucking 45% of the CPU turning the fans on loudly, there were only numerous upload errors such that just over 100GB of data made it online and the tree mapping was all messed up so I just said no thank you and canceled it. Immediately after canceling it I tried BackBlaze and like this article says, I set it and could forget it. It uploaded all the 300GB of data I wanted it to very quickly, in less than 3 days! I averaged over 100GB a data essentially leaving my Mac on 3 days straight, but it only took up about 3% CPU so m MacBook Pro was still silent while it churned away, even with setting the upload speed in the settings to max and using all 10 threads. After Carbonite I was very impressed.

    Tommy I just checked again and BackBlaze does not permit the backing up of the Applications folder. Did you put your apps in another folder to “trick BackBlaze into uploading your apps or something? If you know a way to get the Applications folder backed up, please share because as of May 2016 this version of BackBlaze cannot.

    Since my initial upload just finished today, I do not have any experience with recovering files, but if 300GB can upload in less than 3 days, Iw would expect the download to be at least as fast if not faster, plus there is the option just to get a hard drive mailed to you.

    I am very happy with my BackBlaze experience through the initial upload process.

    One thing to note is using the iOS app it will not show any files larger than 30MB, but since you have to download any file to your phone to view via the app, this does not bother me.

    Give BackBlaze a chance and avoid Carbonite as I was told by their tech support 45% CPU usage is forever, not just during the initial backup!

  14. I am very disappointed with Backblaze, I keep all my pictures on an external drive backed up by Backblaze.
    I have been traveling this summer and now I find that the data is no longer backed up at my storage at Backblaze and there is no way to recover it. The 30 day rule for external drives is the opposite of backup! I assumed that backup means keep it safe for me whatever happens, not just for the next 30 days. Any service where the core functionality is not available to those that don’t read the small print should be considered a scam.

    1. This is not about the fine print, you did not understand the service at all, if you disconnect the external drive but still use the sottware on your computer it assumes the data was deleted. If you don’t plug the external drive in again in the next thirty days the data is gone. Or what do you think how many unplugged devices should be backed up eternally? Don’t blame others for your lack of understanding.

  15. Backblaze is based on the idea “users are dumb, they don’t make backups because they find it too complicated to select folders and so we backup all”.
    This makes things very slow, not to mention that stuff will be included you don’t need/like. Files can be excluded but this make things not easier.

    Backblaze doesn’t support many platforms because they don’t use some cross-platform framework or some newer technologies for the GUI.

    They don’t support sftp which could be a workaround if people like to backup from (or to) other machines eg. Linux.
    They don’t support other cloud providers.
    To sum it up: featureless.

    I don’t like the the idea of Backblaze, tested and uninstalled.

  16. Since some time Blackblaze is offering B2 for backup. I think this can be your answer to backup your NAS.

  17. I have used Backblaze now for awhile, and tested several random restores with everything being really good. It took about 3 weeks for my initial backup to get done, but it happened in the background anyhow, so what’s the difference? I did have one question, which they answered the next day. Now, I have the peace of mind that my data’s safe if something happens and I need it. Of course, I have local backups as well – Clones of my hard drives and Time-machine of my system disk as well, but what if…? If I ever needed a lot of data from my backups at Backblaze, I can get it on a hard drive, and since they welcome me to return that hard drive later, to get my money back, it’s the best of all situations! I know I need to plug-in my external hard drive at least once a month, so that’s no problem. I really don’t want to spend a lot, but I also don’t want to lose any files! I really can’t complain.

  18. I’m considering Backblaze for a single home/business computer with one external USB drive.

    If I go travelling without my computer (hence not doing any backups) for more than 30 days, will Backblaze delete ALL my file backups?

    I noticed the comment by someone who travelled for more than 30 days and the backup of their external USB drive was deleted, but I’m assuming their computer itself was connected to Backblaze at some point during their travels.

    1. Yes. Backblaze will delete everything if it cannot detect the original location of the drive being connected to your computer.

      This is the reason why I lost precious times uploading several GBs of data. I was just lucky that I forgot to delete the contents in my external drive after I uploaded everything in that drive to Backblaze thinking that they would stay there forever.

      Unlimited? Yes. But it comes with some caveats.

      The only truly unlimited storage that does not delete anything if it cannot detect the drive at $59.99 a year is Amazon cloud. Note however that Amazon cloud is different from Amazon AWS. You can also store an unlimited amount of data in Amazon S3 or Amazon Glacier (or Google nearline) but it will cost you.

  19. Terrible experience. Had a 3TB Seagate drive failure. It took over 72 hours to download a 455gb zip file which when unzipped 9 could only be unzipped with a particular product), I was left with 155gb of gibberish.
    Data lost

  20. I’ve been using Backblaze for a few years now, and I have been very pleased with the service. But there are definitely both pros and cons.

    – You can set it and forget it. Rest at ease knowing that all your files are being backed up in the cloud without any further intervention on your part.
    – You can back up an unlimited number of files
    – Backblaze keeps a backup of several different versions of your files. If you realize that you made an undesirable change to a file, you can quickly revert to a previous version (up to 30 days old on the normal plan)
    – Great value for money

    – No matter how fast your internet connection might be, the backup process will be quite slow. This is most notable for your first backup. After that the incremental backups can keep up nicely.
    – The download restore process is quite slow (if you need to restore an entire hard drive, you can overcome this limitation by ordering a USB stick or external hard drive containing all your files)
    – You will eat up lots of bandwidth because you are essentially backing up everything. If you have an unlimited bandwidth plan, then this is not an issue.

  21. I like these guys primarily because they have outsourced their pods and their whole procedure which does show bona fides unlike the hard core corporate demeanor taken by Amazon and the rest of the clan, who never hesitate to change plans and bills at a second’s notice caring little about the customer and long term plans, and which does say a lot about reliability. What good does durability and redundancy do if the company you save your precious files changes attitude at a moments notice with their interests taking precedence. On the other hand a company which does show its good will via these small gestures gets very high scores in my book.

    As to online backup in general, perhaps for a US resident with gigabit connections this does make sense but for us in Europe with 8/4 cable lines, it takes a mammoth time to have a decent backup considering that one will avoid destroying the whole bandwidth availability in the process.

    Whatever the case, thanks backblaze

  22. My experience has not been good. My RAID failed while I was away on a three week trip. When I returned, I went back and forth with the manufacturer troubleshooting it and finally needed to send in in for repair. This took another couple of weeks. Ultimately it could not be repaired and I lost all of the data on it. Fortunately everything was backed up by Backblaze. But, if your drive has not been backed up for 30 days, Backblaze purges your data. I went back and forth with their customer support to find out how to stop this. They told me that if I turned off continuous backup and changed it to manual, the data would remain for 6 months. Nothing on their website speaks of this and I continued to receive messages that my data would be deleted. It was hugely stressful, like playing Russian Roulette. There is no way to to see from their dashboard when the data will be purged.

    I requested a hard drive of my backup, which was 4 TB. This took almost 2 weeks for them to “prepare” the drive to send it to me. I think that is outrageous. Nevertheless, I did receive the backup and restored it. However, when I went to re sync my files with their servers, that is when they decided to purge all of my data. Now I am faced with having to re upload it online and the estimated completion is three months!!. They will not accommodate my request to send them a drive to upload to their servers. Throughout this nightmare, their customer support has not demonstrated the least bit of concern for my problem. I would not recommend them to anyone.

  23. We purchased 5 licenses and in the progress of testing Backblaze. As we intend to purchase for all laptops, it is important for us to be able to do silent installation with command line. While testing, found out if we uninstall and reinstall backblaze with ‘same’ user email, we receive error ‘account already exists’. I found out the fix from FAQ which can skip that problem (normal installation) but could not find the fix for command line. I contacted backblaze support team and they could not give me the answer. Seems like the guy I met from support team do not have enough knowledge for the software. Following is the marvelous reply from him.
    1) Hello there,
    Thank you for taking the time to write in,
    If you already have Backblaze installed on one machine, it will prevent you from installing it again. If you’re trying to reinstall Backblaze you will need to uninstall first.
    Let me know if you have any further questions.
    The Backblaze Team
    2) Robert, Nov 3, 09:04 PDT:
    If you’re receiving the error message “account already exists” What you’ll need to do is when the installer asks you if you would like to create an account or sign in to an existing account you will need to sign in using the email and password you used to originally create the account.
    If you have any further issues, let me know.
    3) Robert, Nov 6, 16:29 PST:
    We don’t have a command line for installation.
    The issue you are experiencing is being caused by attempting to create a new account instead of logging into your existing one during installation. Please follow the directions from my previous email.

  24. I’ve used Backblaze for several years but am finally trying to find a more reliable solution. I’ve had to re-upload all of my data four times because of file corruption issues. I have three external drives connected as well as my main hard drive, so it is a lot of data to have to upload.

    I recently had a system crash and needed to restore my data and found that random folders of files had not been backed up, even though BB was telling me that it was. Luckily I had my Time Machine backup to use. BB support said:

    “This was caused when a large number of files on your computer ended up having the same ID numbers that we assign them in our indexing file. We normally resolve this issue by reassigning those IDs and re-uploading those files, but it happened for many files just in the one log that you showed us. We are worried this may have happened to many more files, which can cause major problems with your backup in the future. So the best and safest thing would be to start over in complete new backup.

    This issue can sometimes be caused when the indexing file is deleted for whatever reason, by the user or by an overzealous security software or simply when the file gets corrupted. Starting over a new backup will create new clean indexing file.”

    The Backblaze pricing is great, the unlimited storage is great, and even the support is speedy, if not always that helpful. But, I don’t trust that it’s working as it should, at least not when you have large numbers of files like I do. Now being faced with re-uploading everything yet again, I’m looking for another solution. I’m considering Cloudberry with AWS storage.

    Suggestions anyone?


    Cloudberry with AWS is a good choice. Though it will cost you quite a bit more, you should definitely see a speed advantage, especially since you can choose to backup to a data center near you. Acronis True Image, which we should have a review up of pretty soon, is also pretty impressive.

    1. Ah, yes. I just checked and my storage costs for AWS WOULD be way higher and then restoring data (if it’s needed) costs way too much. I just looked at Acronis and it looks really good. I’m very interested in your review.

  26. This review fails to mention a huge problem with Backblaze. But most reviews do, I assume because they all just test the backup, not the restore.

    In short: Backblaze’s private key encryption feature, which is central to their claim of security and privacy, is just a farce. Private key encryption only makes sense if the encryption key never leaves your hands. This is fine at Backblaze while you upload your backups. However, come the time you’re in need of a restore, there is NO OPTION of restoring your files without HANDING OVER your private key to Backblaze. THEY will decrypt your files on THEIR servers before handing them out to you, circumventing and nullifying the entire point of the encryption. This is true (as of January 2018) whether you do your restore yourself over the Internet, or have them send you a USB or HD drive (they will re-encrypt those for transport, but only after decrypting them using your “private” key).

    This may sound like a technical detail to those without any knowledge of information security, but you should be aware that to anyone who understands how private key encryption works, reading what I described above will make their toes curl. It’s a gross violation of the most fundamental rules and principles of the concept. What may be most worrying about that is the implication that whoever implemented it the way it has been over at Backblaze, obviously didn’t have even a basic understanding of information security. It makes you wonder what other parts of their system are in such a sloppy state.

    It ultimately makes most of Backblaze’s claims of privacy and security moot. Their claims only hold up if you never ever need to restore any of your backups, which is not really the point of doing backups.

    If you are still fine with doing a cloud backup considering that all your files will be essentially unencrypted and readable to anyone, then Backblaze can still be an option for you. Otherwise, hope that word spreads about this gargantuan flaw of theirs (bordering on false advertising, considering how much they boast about their encryption and security) and that they will finally wise up and FIX their broken restore process.


    Thank you for pointing that out, Daniel — good spot. I no longer have my test account setup, but I do see that Backblaze verifies what you’re saying on its website. I’ll update the review and adjust our ranking.

  28. This is a horrible service run by horrible people. Have used it because I have a Mac Mini and its limited to 750GB. I’m a photographer. So I’m in regular need of more space. And Timeline does not back up external drives. I believe I’ve been with them over 2 years. I started to hear noise from my drive and immediately got a new drive. Couldn’t get data off that drive. Whenever I opened the software it would greet me with “You’re backed up”. That’s false.. You dig deeper and I find out that only 1/3 of my day in 2 YEARS was backed. The rest was waiting in line.Smallest files first so my raw files are still waiting. And so I go to call them up and all they have is an answering machine. Then I go to their chat service and spent a wonderful time with Christopher telling me it was my dying drive. But Chris, the drive was not always dying. You’ve had two years to ul 1 TB. But you didn’t and you didn’t inform me of the failure. I’ve left numerous VM’s on their machine. But know call back. I will use all my energy to get this message out and see this company out with the rubbish. That’s 18 years of images. Hopefully a data recovery service will save me. And then I’ll be looking for both an onsite and online backup service that works for a Mac and external hard drives. Avoid Backblaze only if your files matter. Otherwise they’re an excellent choice.

  29. I found the restore with a flash drive to be horrible. I’ve been a paid customer for 4 years and recently needed a restore. I paid the $99. for the flash drive to be sent to me because it was supposed to be faster than downloading on my own. It took 2 weeks to get the drive and unlock code did not work. Customer service just said, oh, we must have sent you the wrong code. How do I know that they didn’t send me the wrong flash drive? Mine could have been sent to someone else.

    They suggested that I pay $99 to order a new one and said they would refund the first $99, which they never did. I didn’t order a new one because what’s the point? We deleted the data on the one they sent and I did a zip file download to put on it. I plan to send it back to get my $99 back and then to cancel the service. They offer false security.

  30. I used to backup with Carbonite, then the company was bought out. I didn’t bother to pick an alternative backup company for a long time because I dreaded the speed drain on my entire household network the initial backup causes. And it’s not just for a day–it’s for up to a week.

    So last WEEK I started a trial with Backblaze. I have about 200 GB of files (movies, text, music), likely a lot less. It’s been nearly a WEEK now and the backup proceeds painfully slowly. I use two computers on my home network, only one of which is being backed up. That machine is ethernet cable connected to my modem/router and I’m trying to work on my other machine. Web pages load so slowly I keep checking to see if something’s wrong with my machine. Forget streaming anything. I’m giving Backblaze two more days to complete the backup & my machine to return to normal Internet access speed. If that doesn’t happen, I’m ending my trial with Backblaze & will find another backup solution. The drain on my network is just unacceptable.

    BB looks great on paper, but so far in practice, I’m not impressed. I’d happily pay more for a faster service as speed is just as critical to me as security.

    1. - Chief Editor

      Hi, you have to log into the Backblaze interface and share files from the view/restore files tab. This feature isn’t available on the desktop client.

  31. Disaster.
    I live with limited bandwidth. I drove to a Google fiber city two weekends in order to complete a backup. Upon return, Backblaze hiccuped and lost the bulk of my backup. No explanation other than I must have done something. Can I restore from an earlier backup? No, I can get it via a hard drive mailed to me, and then I can upload all over again! No indication of any concern about my situation.

  32. For years I had been giving Backblaze my $$ to back up my computer and external hard drive and 2 weeks ago they deleted all of my stored data from my external drive because it “hadn’t connected with their servers for 30 days”. Due to travel I wasn’t able to resolve the problem (my drive had died) until I returned but figured “everything is OK!! Backblaze has all my data!!”….and they did, but what they didn’t tell me was that they were going to delete it ALL on June 26th.

    They didn’t send me a single email telling me they were going to delete my data. The last email they sent me was on June 14th staying my “drive was missing”.

    I know I know. It’s just data. But it’s also all of my photos taken with my non-phone camera including scores of baby and photos from both girls, it’s also $$$ of digital sewing patterns and my research from my fellowship among many other things.

    Backblaze told me they were “Sorry for the inconvenience”.

    If you are using them — switch! Other companies back up and store data INDEFINITELY.

    If you need a back up solution — choose anyone but Backblaze. Data back ups shouldn’t be drowning in details and terms and conditions and arbitrary rules out of your control. It’s your data. You are paying them to keep it safe.

  33. Security key handling is the reason why I’m rejecting BackBlaze. If I ever need to recover anything, I will need to hand over the password to all of my content. As someone who works in IT, that’s a complete no-no. It’s surprising that they haven’t figured this out yet.

  34. Never trust your data to Backblaze!!

    Their app is really buggy!

    After a long time I was finally able to backup my 7tb of data. Then the software started to use the complete RAM of my computer, making it completely useless.

    I contacted support and they wrote me: “Sorry but you have to delete your backup and start again from scratch”.

    When I asked why this would happen, their explanation was that “I shouldn’t rename folders which contains many files” (??)

    Stay away from Backblaze!!!

  35. I have been using BackBlaze personal with no issues for myself and several of my clients PC’s/Laptops. As a consultant I attempted to have one of my clients use BackBlaze B2 for their servers and PC’s but had an issue with B2 installation for servers which support did not help much at all – actually no help as it turns out. My client went to iDrive with their 14 servers (385 Tb of data) and 85 PC’s and all works well. An Image backup was desired but BackBlaze could not provide one. Too bad since I like BackBlaze but only for personal backup as it turns out.

  36. Backblaze User Rating

    Backblaze personal plan totally saved my bacon. Restored 4TB of media – on a failed drive – over an internet connection in less than 6 days. No fee to download. Backed up newly formatted drive overnight through deduplication process, no errors. At $6 per month for unlimited storage, and access to B2 for zero knowledge object storage at a very reasonable additional charge, I have wholly no complaints.

  37. Backblaze User Rating

    I do a three-tier backup: 1) Time Machine (my machines are all Macs) on an external drive; 2) Carbon Copy Cloner (a daily bootable image backup) to an external drive; 3) Offsite cloud-based backup. I am considering BackBlaze as an alternative to CrashPlan.

    I started out with CrashPlan’s “home” plan, then switched to business when they dropped home, and now my cost (after one year) has jumped to $20/month for two computers. So I’m looking to reduce cost, while still retaining good backup functionality.

    BackBlaze is looking good (I’ve been using the trial version), but am a bit disappointed by some of the con’s pointed out in the review (poor implementation of security, web-based restore, and single-computer backup per account). That said, I do want “set-it-and-forget-it” backup and BackBlaze looks especially good in this regard.

  38. Backblaze User Rating

    I really don’t recommend this service. It is pointless and by the time I needed it, the restore was not available because the disk somehow stopped back up and all data which was backed up deleted. I got stupid answers from support that sounds like cheap excuses.

  39. Backblaze User Rating

    I thought this was a decent service while I was just relying on it for back-ups during the LOOONG period of time I’ve been a subscriber. I will be cancelling before my annual renewal comes up because it turns out, Backblaze is completely worthless.

    I hadn’t needed to restore any files in the years I’ve been a subscriber until one day last December I had a complete failure of a drive in my MacBook Pro. I installed a new drive and OS and then tried to connect my MacBook to Backblaze in order to recover my data.

    This turned out to be a largely unsuccessful process.

    Backblaze would not recognize my machine (apparently they don’t use MAC addresses but instead, some other method for connection to a new drive). To get your Backblaze account working on your computer, you must sign up for a trial rather than simply logging into your existing account and then re-download the files – but Backblaze doesn’t work like that. I tried over multiple months to get my 1TB of files back using the trial but was never able to get a complete download nor could I get my computer attached to my account.

    Eventually the trial ended and while it did back up my computer during the trial, it really didn’t need to since I HAD NO DATA YET ON MY COMPUTER TO BACK UP!

    Warning to people thinking Backblaze might be a good solution for recovering from a catastrophic drive failure:

    1. The method by which Backblaze connects your computer to your account is simply idiotic. Requiring a trial subscription that will expire that you need to connect to your original account did not work for me. I tried working with their support staff but they were unable to get me a solution. I could never get my MacBook Pro to reconnect to my account – only the trial.

    2. You can’t select your entire back-up and download all at once. You must do it in smaller steps. Trying to figure out how much of your back-up you can download at any one time is tedious and likely to result in not being accurate in choosing which files you have already downloaded vs. what you haven’t. You have to drill down into your folder structure on their web client and choose bits and pieces to download, then later reconstruct your structure once you have downloaded. You have to write down the files you have downloaded so that you don’t waste time downloading them again. I tried maintaining a spreadsheet of what I’d grabbed but the other problem is that Backblaze gives you the data in Zip files which you then must unZip then go through and verify which files you downloaded. And keep in mind, you have to do this for tens of thousands of files.

    3. The Backblaze downloader is junk. It would continually give me errors. It would start a download then I’d come in the next day to my office to find that the download had failed. I finally gave up on it and went back to their website.

    4. Their website process for populating your available backup data is SLOOOOW. Plus, every time you choose the download source, it has to repopulate. If you are trying to download a terabyte of data, this process of choosing the backup, waiting for it to populate the available files, downloading the available files (in small chunks) and then going back and doing that again, can take you weeks or maybe never (as it did with me).

    Bottom line, paying for a service that doesn’t deliver when you absolutely need it is infuriating.

    If I could give this service negative stars I would.

    1. Backblaze User Rating

      Jamie, I totally agree. I’m with crashplan and looking for a more efficient replacement. Seems I should be happy with CP as it is nowhere as bad even after their recent price rise to $16/mthUSD. At least CP can download fairly well for a restore. be happy with what I have. CP is fine – can recommend after reading the disasters here with BB!

  40. The 30 day limit puts me off. No chance my backup will complete in 30 days with our upload speeds. And I highly doubt I could do a full restore within 30 days either. So net result would be lost data.
    I had hard drive issues in Feb that took 6 weeks back and forth with support to determine nothing could be done and the data is lost – had my backups been with backblaze, my backups would have expired too so all data would be unrecoverable. that’s just totally ridiculous!

  41. Backblaze User Rating

    I left Backblaze, very poor communication, they froze mij pc twice without giving a reason, then they force you in a trial of 15 days, and restart to backup my 700 GB’s, these days are too short for all files, then they kick you out again en demand a new payment, but I payed 2 years in advance. No communication. Bad company…

  42. Last month I suffered the “blue screen of death”. MY computer screen was completely empty of all icons, If I ever have that situation again how do I download my backedup programs etc???

  43. Backblaze User Rating

    I tried Backblaze and a major competitor. The initial backup of 280G took about 36 hrs, which seemed a bit slow. The competitor took a couple of hours. The reason why the competitor was so much quicker is that the competitor only backed up a fraction of the data. It took 5 days interacting with tech support to determine that there was a fundamental wall about backing up certain file types (crucial to me). Backblaze on the other hand made it trivial to get a full backup; and responded within 2 hours to a technical question (not 48 hours) with a clear answer.

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Backblaze Review

Our favorite backup service for so many reasons.

Backblaze is's top online backup provider thanks to its stellar ease of use and friendly pricing. That's not to say it's perfect, though, so read our full Backblaze review before you commit and make sure it's the best option for you.
Starts from$ 458per month for Unlimited GB
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