How do you delete old backup on the time machine
How do you delete old backup on the time machine
iMac 24″, macOS 12.5
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if you are asking on how to delete specific files on the TM drive, then don't. that is the best way to bork your backup.
if you are asking how to erase the drive and start over with a new TM, you first remove the drive from TM preferences, then use disk utility to erase the drive before reassigning it to TM.
please see Erase and reformat a storage device in Disk Utility on Mac - Apple Support