Here’s why Time Machine won’t work with your external drive

Macworld
Mac users relying on Time Machine went through a rough transition a few years ago when Apple migrated away from its long-used HFS+ format for encoding hard drives and SSDs to the modern, more capable, and more robust APFS format. During that changeover, many users had problems figuring out the formats that external drives and Time Machine destination volumes had to be in to allow backups.That’s in the past, and we’re in an APFS world now, with Time Machine supporting backing