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Can I use a Time Machine for Mac Book Air to back up an external hard disk too?

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It depends on what format the external drive is in. Open the Time Machine pane of System Preferences, click on Options, and see if it can be removed from the exclusion list.


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Mar 14, 2018 8:25 PM in response to aileenfromhk In response to aileenfromhk

Please post in the proper forum. Your topic does not belong in this forum. I have asked the moderators to move it to a correct forum. Please read Writing an effective Apple Support Communities question and Apple Support Communities - Terms of Use.

Mar 14, 2018 8:25 PM

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Question: Search Communities