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Time Machine: Including 2 External Drives

How can include 2 External Drives (Mac: 500GB; Ext1: 500Gb, Ext2: 2TB) in the Time Machine backup (to a third disk: 5 TB).

The Apple documentation says:

"To stop excluding an item, such as an external hard drive, select the item and click the remove (–) button."

I need to include two external drives.

But the "stop excluding" option, i.e. remove(-) button works only for one of them.

(It's disabled after I chose the first one.)



Posted on Apr 30, 2021 12:23 PM

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Question marked as Top-ranking reply

Posted on Apr 30, 2021 4:20 PM

Unless excluded Time Machine will include all properly formatted for Macs external drives. To force inclusion you can exclude the drives in the System/Time Machine preference pane, reboot, remove them from the excluded list and force a new backup.


Here are my two external HDs in the TM backup:



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Time Machine: Including 2 External Drives

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