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How do you back up an external drive using time machine?

I have a MacBook Air, and use a dongle with a few drives on it. I realized NOTHING on the external drives is being backed up, just the system disk on the MBA. There seems to be no apparent way to tell Time Machine what to back up, you can only exclude system files. This is insanity, this can't be right, please someone tell me what I need to do to back up ALL of my Mac's drives to a back up source.

MacBook Air

Posted on Aug 19, 2022 9:35 AM

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How do you back up an external drive using time machine?

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