Check the Recycle Bin or Trash and restore the file
Use Undo Delete if you just deleted it
Search cloud backups like OneDrive, Google Drive, or iCloud
Restore from File History or Previous Versions on Windows
Use Time Machine on Mac
Check backups on external drives or network storage
Use file recovery software
Stop using the drive immediately to avoid overwriting deleted data
Recover from a system backup or disk image
Contact a professional data recovery service if the file is critical