If you can’t locate a lost file from your backup, then you can use Windows File Recovery, which is a command line app available from the Microsoft Store. Use this app to try to recover lost files that have been deleted from your local storage device (including internal drives, external drives, and USB devices) and can’t be restored from the ...

Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows 8.1, Windows 8, Windows 7 or Windows Vista.

If you can't find a file on your computer or you accidently modified or deleted a file, you can restore it from a backup (if you're using Windows backup) or you can try to restore it from a previous version.

Use the Startup Repair function. Use installation media to reinstall Windows 11. Use installation media to restore your PC. Use a recovery drive to restore or recover your PC. Go back to your previous version of Windows. Restore from a system restore point. Learn about the recovery options in Windows.

Look for the files using Search. If you still can’t find your files, you may need to restore them from a backup. Enable a Windows Administrator account. Learn how to find your old files after upgrading your PC to Windows 10, including search and recovery tips.

Follow the steps below to download and open the Support and Recovery Assistant according to your browser. Tip: The tool may take a few minutes to download and install. Edge or Chrome. In the lower-lower left or upper-right corner, right-click SaraSetup.exe > Open. Edge (older) or Internet Explorer.

System recovery option. Description. Startup Repair. Fixes certain problems, such as missing or damaged system files, that might prevent Windows from starting correctly. System Restore. Restores your computer's system files to an earlier point in time without affecting your files, such as e‑mail, documents, or photos.

Use System Restore. Windows 10. Use System restore to make restore points when you install a new app, driver, or Windows update, and when you create a restore point manually. Restoring won’t affect your personal files, but it will remove apps, drivers, and updates installed after the restore point was made.

Install Microsoft 365 2019 or 2016 on a PC. Remember a one-time purchase version of Microsoft 365 is licensed for one install only. Depending on your browser, select Open file (in Edge or Internet Explorer), Setup (in Chrome), or Save File (in Firefox).

Go to office.com/setup and sign in with an existing or new Microsoft account and then enter your product key to redeem it *. Redeeming your key is what adds your Microsoft account to Microsoft 365 and you only have to do this once.