Time Machine backup for iMac migration?
Using Migration assistant, can the Time Machine backup HD have other files on it and backups done over multiple times, or should I erase the disk and do a new complete backup?
iMac 21.5″, macOS 10.15
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Your TM can have multiple TM backups over time and not an issue when migrating. TM knows what files to migrate (usually the latest). Like already stated I would also just use a drive dedicated to TM.
