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
Customise toolbars on Mac
Many app windows contain a toolbar with buttons that provide quick access to frequently used features, tools or actions. When you’re using an app, you can hide the toolbar or choose which buttons to include and how they appear.
On your Mac, do any of the following in an app:
Hide or show the toolbar: Choose View > Hide Toolbar or View > Show Toolbar. While working in full screen for some apps, choose View > Always Show Toolbar in Full Screen.
Remove a button: Hold down the Command key while you drag the item out of the toolbar until you see or hear a “whoosh” effect.
Rearrange buttons: Hold down the Command key while you drag an item around in the toolbar, then drop the item when an open space appears.
Add a button: Choose View > Customise Toolbar, then drag an item from the palette to the toolbar until a plus sign
appears.Change how buttons appear: For some toolbars, you can show labels with the buttons. Choose View > Customise Toolbar, click the Show pop-up menu, then choose an option.
When you resize a window, toolbar buttons can become hidden as the window narrows. To show a list of the hidden items, click the More Items pop-up menu 
at the end of the toolbar.
If your Mac has a Touch Bar, many apps — like Mail or Safari — let you customise it. See Customise the Touch Bar.