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Not being able to remove a drive from Time Machines exclusion list

I am trying to make TimeMachine make a backup of my external drive and think I have followed all the steps needed to do this, plus reading up on older issues people have had, but I am no step closer to a solution.

The TM-drive is a 4 TB Samsung and the drive I want to include is a 2 TB Samsung. It should fit with other words, and it's not even half full either.

I have tried finding hidden .mac files that exclude the drive, and things like that.

I have tried creating a new admin account but it is the same there.

Does the drives filetype matter? I notice that the two drives are different in that regard.

What am I doing wrong?!

Mac Studio, macOS 13.5

Posted on Oct 26, 2023 7:25 AM

Top-ranking reply

Barney-15E

Level 10

116,206 points

Posted on Oct 26, 2023 8:10 AM

How is the drive formatted? It must be a Mac format. Either Mac OS Extended or APFS.

Does it have a startup volume on it?

Does it have an old Time Machine backup folder on it?

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Not being able to remove a drive from Time Machines exclusion list

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