• Global Nav Open MenuGlobal Nav Close Menu
  • Apple
  • Bag
Search Support
Cancel
  • Apple
  • Mac
  • iPad
  • iPhone
  • Watch
  • TV
  • Music
  • Support
  • Bag
macOS User Guide
Open MenuClose Menu
  • Communities
  • Contact Support
macOS Catalina 10.15
macOS Mojave 10.14
Table of Contents

Protect your data and your Mac

Time Machine preferences showing the progress status of a backup to an external drive.

Back up your files

It’s smart—and painless—to back up your Mac. Just turn on Time Machine and connect an external drive. Time Machine makes automatic backups of everything so you can recover individual files or your entire system.

How to back up your files

A Safari alert indicating Safari created a strong password for a website and that it will be saved to iCloud Keychain.

Keep your passwords secure

iCloud Keychain securely keeps your passwords and other data updated across your Apple devices. It remembers and fills in information—like passwords created in Safari, credit cards, and Wi-Fi networks—so you don’t have to.

How to use iCloud Keychain

A Mac desktop showing a locked login screen with the password field in the center and a Cancel button at the bottom.

Lock an idle Mac

When you need to step away from your Mac, help keep the information on it secure by requiring a password to wake it from sleep or exit the screen saver.

How to lock the screen

The Find My app showing a list of devices in the sidebar and their locations on a map on the right.

Locate a missing Mac

The Find My app can help you find your Mac or another lost or misplaced device, even if it’s not connected to the internet.

How to locate your Mac

Apple
  1. Support
  2. macOS User Guide
  3. Protect your data and your Mac
Singapore
Copyright © 2019 Apple Inc. All rights reserved.
Privacy Policy Terms of Use Sales and Refunds Site Map