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This article is about how macOS validates Time Machine backup data. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

Verifying Time Machine backups in macOS

1 check the "Show Time Machine in menu bar" option in "system preferences"-"Time Machine"

2 by default, only the "backup now" option is available when you click Time Machine on the menu bar.

3 to verify the validity of the previous backup, press and hold the ⌥ option key on the keyboard to see the "verify backup" option

Of course, the verification process takes a certain amount of time, which mainly depends on the size of the backup file itself, the speed of Mac and the networking speed of Time Capsule, and the specific verification progress can be seen after the start of the Time Machine backup verification process.

The backup Verification feature applies to both encrypted and unencrypted backup files, and prompts users when macOS detects or verifies that the backup file is different or corrupted.

In addition to the graphical interface, of course, you can also use the tmutil tool in the Terminal to verify the backup:

Tmutil verifychecksums / Volumes/MacBackup

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