How to Back Up and Restore Windows 11 with Windows Backup

Before resetting or replacing a PC, answer a practical question: can you retrieve the files you cannot afford to lose? Windows Backup helps with selected folders and Windows preferences, but an enabled switch is not enough evidence to erase the original machine.

What you need

The consumer Windows Backup app uses a personal Microsoft account; a work or school account does not work for this app. Folder backup uses OneDrive and needs enough available cloud storage. For an organisation-managed PC, follow its approved backup process instead of uploading work files to a personal account.

Confirm you can sign in to the intended account and complete verification without relying entirely on the PC you plan to reset. Separately locate your BitLocker recovery key if encryption is enabled.

Decide what needs a separate copy

Turn that list into a small inventory: location, backup destination, date checked and whether you opened a recovered copy. It is more useful than a single “backup done” note because it exposes an omitted folder before you lose access to it.

Back up your Windows 11 PC

1. Open Windows Backup from Start and confirm the account.
2. Expand Folders and select the offered folders you intend to sync. Review the settings and preferences separately.
3. Select Back up and let it complete. Reopen the app to check each category's status. Related controls are under Settings > Accounts > Windows backup.

Verify files before trusting the backup

1. Check OneDrive's status. A paused symbol, red error icon or continuing sync activity requires attention; record the actual message instead of assuming the transfer finished.
2. In a browser, sign in to OneDrive with the same account. Find representative files from each important selected folder, including something saved recently.
3. Open or download a sample to a separate location. Check its contents and expected recent changes, not just its filename.
4. For folders outside this backup, make and check their separate copies before a reset or migration.

A sample check only establishes that those samples were retrievable at that time. It does not verify every file, a complete application restore or the health of the original disk. For irreplaceable work, check the complete set you need and retain the original until the new environment is usable.

A blue cloud icon means a file is online-only. If you need it offline, use Always keep on this device, wait for the download and check availability. For an external copy, copy the actual downloaded files and open a sample from that destination. A visible filename alone does not prove the file's contents are available offline.

What Windows Backup can restore

During new-PC or reinstallation setup, sign in with the same Microsoft account and select the intended backup if offered. With several backups, use More options to choose. App pins can return, but Store apps still need installation and other apps may direct you to an installer. OneDrive files can be accessed by signing into that account afterward.

Check one important workflow end to end: open the app, open its working data, confirm the latest expected work and check any licence or sign-in requirement. A restored pin or wallpaper is not proof that your work environment is complete.

Use a second backup for important data

If backup reports an error or your sample is missing, pause the reset. Check the account, storage and sync error using Microsoft's troubleshooting reference. Preserve the originals while investigating; repeatedly unlinking accounts or deleting folders can make the situation harder to understand.

Keep a dated second copy on suitable external storage, safely disconnect it after verifying the copy, and keep the original PC until your essential files and apps work elsewhere. If the PC already cannot start, this app cannot retroactively upload files that were never backed up. Quick Machine Recovery addresses certain boot failures; it does not replace a file backup.

Documentation review: 6 October 2026. Checked against the linked Microsoft documentation. The verification workflow is editorial guidance; no PC reset, full restore or recovery remediation was performed for this review. Screenshots are credited Microsoft examples.

Official references

Microsoft — Windows Backup setup and restorationOfficial reference Microsoft — OneDrive sync and file-availability iconsOfficial reference Microsoft — How OneDrive synchronises changes and deletionsOfficial reference Microsoft — Resolve OneDrive sync problemsOfficial reference