How to Remove Guest User on Mac
7How to Remove Guest User on Mac.
In short, the Guest account provides a way for other people to use your computer without jeopardizing your own user account. That includes your browsing history, the apps you're using, your current preferences, and anything else you wouldn't want others changing or seeing.
Over time, the need to provide a houseguest or visitor access to a computer has reduced, in part because of the prevalence of smartphones and tablets being carried around, ones which are capable of doing the majority of things guests may want to do. There are, however, some things that are simply better to do on a desktop, like writing out a lengthy document, that would be best done with a physical keyboard instead of an iPad's display or an iPhone's small software keyboard.
You don't have to have something particular to hide in order to benefit. There's peace of mind in knowing you can hand your computer to a stranger without them having access to your personal information and metadata.
This tutorial will apply for MacBook Pro, Air, Mini's running the macOS operating system. This tutorial was performed on a macOS Big Sur system.