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Backup USB/SD/MicroSD drive #1019

Answered by gingerbeardman
TheGates asked this question in Q&A
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I'd recommend using macOS Disk Utility to do this. It can create a backup of a whole disk and you have the option to have the resulting file be compresed (though as part of the disk image format, not as a zip).

As I understand it Disk Utility is really just a GUI for low level tools like dd, diskutil, etc.

https://support.apple.com/en-gb/guide/disk-utility/dskutl11888/mac
Create a disk image using Disk Utility on Mac - Apple Support

See section: Create a disk image from a disk or connected device

If you want more fine-grained options for compressed disk images, like using LZFSE compression, try DropDMG (paid, free trial) https://c-command.com/dropdmg/

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Answer selected by aonez
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