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remove all backups from Time Machine and start over.

I have captured malware in various places in my time machine backups, and I want to remove all the backups and start over with clean backups.

iMac 21.5″, macOS 11.1

Posted on Jan 26, 2021 7:26 AM

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Posted on Jan 26, 2021 8:48 AM

Frank Ault wrote:

ok, I understand to erase the drive, how do I reformat to Big Sur requirements?



Easy— GUID partiton map (GPT) Apple File System (APFS), the default file system for Mac computers /Time Machine


For Time Machine the external will always be case sensitive.


Erase and reformat a storage device in Disk Utility on Mac

https://support.apple.com/guide/disk-utility/erase-and-reformat-a-storage-device-dskutl14079/20.0/mac/11.0

3 replies
Question marked as Best reply

Jan 26, 2021 8:48 AM in response to Frank Ault

Frank Ault wrote:

ok, I understand to erase the drive, how do I reformat to Big Sur requirements?



Easy— GUID partiton map (GPT) Apple File System (APFS), the default file system for Mac computers /Time Machine


For Time Machine the external will always be case sensitive.


Erase and reformat a storage device in Disk Utility on Mac

https://support.apple.com/guide/disk-utility/erase-and-reformat-a-storage-device-dskutl14079/20.0/mac/11.0

remove all backups from Time Machine and start over.

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