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Cannot Delete Mailbox "com.apple.Mail.Backup" after Time Machine Restore

I recently did a restore of some emails from a Time Machine backup. The restored emails were placed in the mailbox com.apple.Mail.Backup. I no longer need that mailbox but when I try to delete it, nothing happens.


On Sierra 10.12.3.


Any thoughts?

MacBook Air, macOS Sierra (10.12.3)

Posted on Mar 16, 2017 10:12 AM

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Question marked as Best reply

Posted on Mar 20, 2017 8:20 AM

May be a long shot. Quit Mail. Go to Finder and select your user/home folder. With that Finder window as the front window, either select Finder/View/Show View options or go command - J. When the View options opens, check ’Show Library Folder’. That should make your user library folder visible in your user/home folder. Select Library/Mail/V4 and see if you can find/delete the mailbox there.

30 replies

Cannot Delete Mailbox "com.apple.Mail.Backup" after Time Machine Restore

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