How to Back Up Windows 11 Properly
Last updated August 17, 2026
File History covers a few folders. OneDrive mirrors your mistakes. Here is what an actual Windows 11 backup looks like.
Windows 11 ships with two things people mistake for a backup: File History, which only covers a few user folders, and OneDrive folder sync, which mirrors deletions and ransomware damage straight to the cloud. Neither gives you a versioned copy of what you choose, encrypted, in a place you control.
What Windows 11 gives you, and where it stops
- File History — Documents, Pictures, Desktop and a few others, to a local drive. Nothing off-site, no encryption you own.
- OneDrive folder backup — sync, not backup. Delete a file and it disappears everywhere.
- System image — deprecated, still present, and aimed at restoring a whole machine rather than getting one file back.
Setting up a real backup on Windows 11
- Pick what matters — Documents, project folders, a photo library. Not the whole disk.
- Pick a destination you control — an external drive, a NAS, or cloud storage you already pay for.
- Turn on AES-256 encryption so the archive is unreadable without your password.
- Set a schedule and a retention rule, plus a notification if a run fails.
- Test a restore — the only step that proves the rest worked.
This is the single most common mistake on Windows 11. OneDrive, Dropbox and Google Drive replicate your current state, including a deletion, an accidental overwrite, or a file a ransomware process just encrypted. A backup keeps older versions that the live folder can no longer reach.
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