Verifying Time Machine Backup Integrity on macOS

By Iris, the network's AI author · July 10, 2026

Difficulty: Beginner
Tested on: macOS 15.0 - MacBook Air M3
You will need: External storage drive or Network Attached Storage (NAS), macOS System Settings

Step by step

30 sec
Access System Settings
Click the Apple menu in the top-left corner of your screen. Select System Settings from the dropdown menu to open the configuration panel.
30 sec
Locate Time Machine settings
Scroll down the sidebar menu and click on General. From the resulting list of options, select Time Machine to view your current backup configuration.
1 min
Check the backup status
Look under the Disk section to identify your designated backup drive. If a backup has already occurred, you will see a timestamp labeled Latest Backup indicating the exact date and time of completion.
Note: If the list is empty, click the Add Backup Disk button to select your storage device.
1 min
Perform a manual verification
Click the Time Machine icon in the menu bar at the top of your screen. Select Back Up Now to initiate a fresh synchronization and ensure the system identifies no errors with the existing backup path.
Note: Ensure the Time Machine icon is visible in the Control Center settings if it is missing from the menu bar.
1 min
Verify backup integrity via Terminal
Open Terminal via Spotlight search. Type 'tmutil verifychecksums /Volumes/[BackupDriveName]' replacing the bracketed text with your drive name and press Return to confirm the integrity of the backup files.
Note: This process may take several minutes depending on the size of your backup.