If you back up over the network, a built-in tool lets you verify that your that your backup isnt corrupt.

These tools are useful even if you do use a networked drive, so lets go ahead and dive in.

Or maybe you used our tutorial to back up to a Raspberry Pi using Time Machine.

Head to System Preferences Time Machine, then check the option at the bottom of the window.

How Does One Know When An External Backup Called My Passport Has Finished Backing Up? Free To Open

If you want to watch the progress closely, feel free to open up the Time Machine panel in System Preferences again.

If you never get any notification, you dont have any problems to worry about.

Connect your backup drive, then launch Time Machine, which is in the Applications folder.

You can press the Spacebar to preview them, or even restore them.

If the files you expect to be there are there, and its possible to preview them, your backup is most likely in working order.

When its done, youll see a summary of the difference between your computer and your backup drive.

Simply launch the application and click First Aid on your drive.

Your disk will be scanned for any errors, and the tool will even attempt to fix them if necessary.

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How Does One Know When An External Backup Called My Passport For Mac Has Finished Backing Up?