How to encrypt a Mac storage device

Apple allows encrypted drives in two varieties.

Credit: Dreamstime

Full-disk encryption (FDE) is a low-effort way to ensure that if someone were to get ahold of one of your drives while unmounted or a Mac while powered down, the contents on the drive would be unusable to them without knowing a password or other encryption information. Apple offers two distinct ways of encrypting volumes on a drive, and it's important to know the difference between them and the current limitation on drives connected to M1-based Apple Silicon Macs.

Join the newsletter!


Sign up to gain exclusive access to email subscriptions, event invitations, competitions, giveaways, and much more.

Membership is free, and your security and privacy remain protected. View our privacy policy before signing up.

Error: Please check your email address.
Keep up with the latest tech news, reviews and previews by subscribing to the Good Gear Guide newsletter.

Glenn Fleishman
Show Comments

Don’t have an account? Sign up here

Don't have an account? Sign up now

Forgot password?