If you’re using a Mac, you’re probably using Time Machine to back up your computer. Time Machine is a built-in backup tool that comes with your Mac. It’s easy to set up and use, and it can save your bacon if your computer ever crashes.
But what happens if your Time Machine drive fails? Or what if you want to back up your Mac to an external drive that’s not your computer’s built-in drive? That’s where a Time Machine backup …