Mac User Guide
- Welcome
- What’s new in macOS Sequoia
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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
Exclude files from a Time Machine backup on Mac
You can exclude items from a backup to save space on your backup disk, or to exclude items you back up using another method.
On your Mac, choose Apple menu > System Settings, click General in the sidebar, then click Time Machine .
Click Options.
Click , then select one or more items to add to the list of excluded items. You can also drag items to the list.
To remove an item, select it in the list, then click .
The backup disk is automatically listed in the list of items that shouldn’t be backed up.
Click Done.
Excluded items still appear in Time Machine local snapshots.
Important: When performing a backup, Time Machine excludes system files and apps installed during macOS installation. If your system is damaged, you must first reinstall macOS on your Mac, then use Migration Assistant to transfer information from a Time Machine backup.