Setting up a guest account on a Mac takes about two minutes: open System Settings, click Users & Groups, select Guest User, and turn on Allow guests to log in to this computer. Whoever sits down next signs in without a password, cannot open your files or your apps, and everything they create gets deleted … Read more
FileVault is Apple’s built-in full-disk encryption, and it uses the XTS-AES-128 algorithm with a 256-bit key to protect everything on your startup disk. Turning it on takes about five minutes of clicking through System Settings, then the Mac encrypts in the background while you keep working. Here is how to use FileVault to encrypt a … Read more
The short version: to recover files from a Time Machine backup, you open the folder where the file originally lived in Finder, choose Browse Time Machine Backups from the Time Machine icon in the menu bar, scrub the timeline back to a date when the file still existed, press the Space bar to preview it, … Read more