Time Machine on an external drive

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Time Machine on an external drive

How do I turn off Time Machine so that I can re-format the disk. I want to reuse the disk for general file storage.

iMac, macOS 10.13

Posted on May 16, 2021 10:17 AM

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Answer 1

Top-ranking reply

Keith Barkley

Level 7

21,268 points

May 16, 2021 10:25 AM in response to michaelfromrustington

Go into Time Machine Preferences and select "Select Disk" Choose the disk you want to remove and click "Remove Disk".

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Answer 2

den.thed

Level 10

84,508 points

May 16, 2021 10:40 AM in response to michaelfromrustington

To decommission it proper, see > https://support.apple.com/en-us/HT201065

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Answer 3

den.thed

Level 10

84,508 points

May 16, 2021 10:27 AM in response to michaelfromrustington

Go to Apple > System Preferences > Time Machine > click on Add or Remove Backup Disk... > highlight the Disk and click Remove Disk.

Then go to Disk Utility and re-format the Disk.

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Answer 4

May 16, 2021 10:38 AM in response to Keith Barkley

Just to thank you for your very prompt and concise response to my enquiry. I have now re-formatted my disk for further use and am in the process of decommissioning my 10 year old IMAC.

M J Bonser

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Time Machine on an external drive

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