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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
Choose an app to open a file on Mac
You can select which app you use to open a file. This is useful if you prefer to use a certain app, or if you don’t have the app that was used to create the file.
Open a file once with a specific app
Permanently change the app used to open all files of a particular type
On your Mac, click
in the Dock to open a Finder window.Select a file, then choose File > Get Info.
You can also Control-click the file, then choose Get Info.
In the Info window, click
next to “Open with”.Click the pop-up menu, choose an app, then click Change All.
Note: Don’t click Change All if you only want the specific file you selected to open with that app.
If you can’t open a file with a specific app, the file may be damaged or may not be recognised by that app. Try opening it with a different app.
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