A computer backup is the process of copying all the data on a computer’s hard drive to another storage medium, typically an external hard drive. Backing up your computer is important because it protects your data in case your computer’s hard drive fails.
Apple’s Time Machine is a built-in computer backup feature that makes backing up your data easy. Time Machine backs up your entire computer, including your operating system, applications, settings, and files.
To use Time Machine, you need …
