What is the best backup device to use for a MacBook Air 13 inch 2019
Should I back up my MacBook Air before installing the Monterey software? What is the best backup device?
MacBook Air 13″, macOS 11.6
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You should regularly back up your data. You should always perform a backup prior to undertaking a major task like upgrading your OS.
The "best" device would be an external drive. Any USB drive will work. I would opt for a SSD for speed and relieability.
Follow these instructions: Back up your Mac with Time Machine - Apple Support
