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macOS User Guide
- Welcome
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- Work across devices using Continuity
- Use iPhone as a webcam
- Use iPhone with Desk View
- Stream audio and video with AirPlay
- Use one keyboard and mouse to control Mac and iPad
- Hand off between devices
- Unlock your Mac with Apple Watch
- Make and receive phone calls on your Mac
- Sync music, books, and more between devices
- Resources for your Mac
- Resources for your Apple devices
- Copyright

If you can’t turn on FileVault on Mac
If you can’t turn on FileVault for a disk, some of the formatting information on the disk may need repair. Try using Disk Utility to repair the formatting. Disk Utility examines your disk’s formatting information for errors, then repairs any it finds. See Repair a storage device in Disk Utility.
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