Time Machine is Apple’s backup system that automatically saves your Mac’s files. Here’s how to use the macOS file protection feature.
Time Machine is an app that Apple ships with macOS and that helps you make backups from your Mac to another storage device. Once upon a time, it worked best with a now-discontinued Apple Network Attached Storage (NAS) device called Time Capsule.
Time Capsules were introduced by Apple in 2008 and discontinued in 2018. They combined both an Apple AirPort network WiFi router and a hard drive for storage.
Read more at AppleInsider.com