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What does Backblaze backup?

Backblaze automatically finds your photos, music, documents
and data and backs it up. So you never have to worry.


Backblaze backs up all your data
You have more important things to do than spend time picking files and folders to backup. That’s why Backblaze backs up your data automatically and constantly looks for new and changed files to backup. Install Backblaze and never worry about losing a file again.
Unlimited Data
Unlimited Files Size
Unlimited Drives
There are no limits to how much data you can backup with Backblaze so you can be sure you won't go over any backup limit.
Backblaze will backup any size of file. You can limit this in the settings panel.
Plug in any external hard drive by USB, Firewire or Thunderbolt and Backblaze will back it up. Sweet!


Sign in to see exactly which files have been backed up.

What We Don't Backup
Backblaze does not want to waste your bandwidth or Backblaze datacenter disk space. Thus, we do not backup your operating system, application folder, or temporary internet files that are transient and would not be useful in the future. Backblaze also excludes podcasts in iTunes.

Certain Filetypes
You can see these exclusions by clicking on “Settings…” in the Backblaze Control Panel and selecting the Exclusions tab. These exclusions can be removed! Some of these excluded files are:
  • ISO (Disk Images)
  • DMG (Mac Disk Image)
  • VMC VHD VMSN (Virtual Drives)
  • SYS (System Configuration & Drivers)
  • EXE (Application Files).

Other Backup Programs
Backblaze also doesn't backup backups like Time Machine and Retrospect RDB.

Deleted Files
Backblaze will keep versions of a file that changes for up to 30 days. However, Backblaze is not designed as an additional storage system when you run out of space. Backblaze mirrors your drive. If you delete your data, it will be deleted from Backblaze after 30 days.

Disconnected External Hard Drives
Your external hard drives need to be connected to your computer and scanned by Backblaze at least once every 30 days in order to keep them backed up.




Start backing up your files online: get started.Download Backblaze Online