A little-noticed fact about M1-based Macs has started to get some attention. If the Mac’s internal drive is dead or fully erased, you can’t boot from an otherwise valid external drive. Why would Apple ...

Online backup service Backblaze will automatically back up any drive that's permanently connected to your Mac. So you can't easily have a rotating pile of drives you use for different purposes.

When internal surgery of a Mac isn't in the cards, an external SSD can rejuvenate a slow machine.

Reader Mark R. Friedman wrote in to ask about setting up a Mac Pro with an SSD in the second optical drive, keeping the /Users folder on another drive; he wasn't sure how to do it. Macworld just ...