Mac User Guide
- Welcome
- What’s new in macOS Sequoia
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- Get started with Apple Intelligence
- Use Writing Tools
- Use Apple Intelligence in Mail
- Use Apple Intelligence in Messages
- Use Apple Intelligence with Siri
- Get web page summaries
- Summarise an audio recording
- Create original images with Image Playground
- Use Apple Intelligence in Photos
- Summarise notifications and reduce interruptions
- Use ChatGPT with Apple Intelligence
- Apple Intelligence and privacy
- Block access to Apple Intelligence features
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- Intro to Continuity
- Use AirDrop to send items to nearby devices
- Hand off tasks between devices
- Control your iPhone from your Mac
- Copy and paste between devices
- Stream video and audio with AirPlay
- Make and receive calls and text messages on your Mac
- Use your iPhone internet connection with your Mac
- Share your Wi-Fi password with another device
- Use iPhone as a webcam
- Insert sketches, photos and scans from iPhone or iPad
- Unlock your Mac with Apple Watch
- Use your iPad as a second display
- Use one keyboard and mouse to control Mac and iPad
- Sync music, books and more between devices
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- Control what you share
- Set up your Mac to be secure
- Allow apps to see the location of your Mac
- Use Private Browsing
- Keep your data safe
- Understand passwords
- Change weak or compromised passwords
- Keep your Apple Account secure
- Use Mail Privacy Protection
- Use Sign in with Apple for apps and websites
- Find a missing device
- Resources for your Mac
- Resources for your Apple devices
- Copyright
How does FileVault work on a Mac?
If you store sensitive information on your Mac — for example, if you carry your company’s financial data on your Mac laptop — you can use FileVault to protect your files and keep someone from accessing or copying sensitive data.
If you have a Mac with Apple silicon or an Apple T2 Security Chip, your data is encrypted automatically. Turning on FileVault provides an extra layer of security by keeping someone from decrypting or getting access to your data without entering your login password.
To ensure security when you turn on FileVault, other security features are also turned on. For example, when you turn on FileVault, you need to enter a password to log in when your Mac wakes from sleep or after leaving the screen saver.
After an administrator turns on FileVault, any user with an account that has FileVault turned on can start up your Mac and log in with their password. If a user has an account that doesn’t have FileVault turned on, another user with an account that has FileVault turned on must start up your Mac, log in, then log out (but not restart). Then, the user with an account that doesn’t have FileVault turned on can log in. See Protect data on your Mac with FileVault.