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Back up your Mac with Time Machine

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Question: Time machine / Several Macs.

I have a simple question concerning time machine.


When using Time Machine, is it possible (impossible, recommended, not recommended) to backup several computers on the same hard disk?

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If it's a USB disk drive, yeah all you have to do is disconnect it by ejecting from one computer and connecting it to another. Time Machine will automatically back up different machines to different folders on the disk.


Make sure there is enough free space for more than one machine. Command-I on the disk to see available space.

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Dec 12, 2017 8:46 PM in response to Hx88Yellow In response to Hx88Yellow

It's definitely possible, as to recommended, it depends on the speed of the disk/network, but I'm sure it's not not recommended. You can test it out and if the performance is too slow then find another solution.

Dec 12, 2017 8:46 PM

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Question marked as Apple recommended

Dec 12, 2017 10:14 PM in response to Hx88Yellow In response to Hx88Yellow

If it's a USB disk drive, yeah all you have to do is disconnect it by ejecting from one computer and connecting it to another. Time Machine will automatically back up different machines to different folders on the disk.


Make sure there is enough free space for more than one machine. Command-I on the disk to see available space.

Dec 12, 2017 10:14 PM

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Question: Time machine / Several Macs.