Mac User Guide
- Welcome
- What’s new in macOS Sequoia
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- Intro to Apple Intelligence
- Find the right words with Writing Tools
- Create original images with Image Playground
- Create your own emoji with Genmoji
- Use Apple Intelligence with Siri
- 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
Connect a new backup disk to your Mac
If you connect a new disk to your Mac before setting up Time Machine, you’re asked if you want to use the disk as a Time Machine backup disk. You can also set up a backup disk through System Settings.
Connect a new disk to your Mac. If prompted, choose Allow in the window that appears.
Do one of the following:
Hold your pointer over the dialogue that appears, click Options, then choose Set Up to use this disk as a backup disk with Time Machine. (If you choose Close, Time Machine closes and the disk connects as a regular disk.)
Choose Apple menu
in the sidebar, then click Time Machine. Click Add Backup Disk, select the backup disk, then click Set Up Disk.
Note: A window appears if your disk supports space limits and encryption for backups. Set these options, then click Done.
If your Mac is in sleep mode or your backup disk isn’t available when it’s time for a scheduled backup, the backup isn’t performed. Backups resume after the Mac and disk are available again.
When you use Time Machine, Time Machine also saves a local snapshot you can use to recover previous versions of files, even if your backup disk is not attached. These snapshots are created hourly, stored on the same disk as the original files and saved for up to 24 hours or until space is needed on the disk. Local snapshots are only created on disks using Apple File System (APFS).