In macOS
macOS doesn’t assign actions to extra mouse buttons; some browsers support them, Safari and Finder don’t.
With Tuno
- 1
Open Tuno › Mouse & Trackpad and allow Accessibility.
- 2
Under mouse buttons, choose an action for each extra button: Back, Forward, Mission Control, App windows, Show desktop, Previous/Next desktop or Middle click.
- 3
Press the button to try it.
macOS 15 or later, Mac with Apple silicon.
Frequently asked questions
Does it need the mouse maker’s software?
No. Tuno works with standard 5-button mice without extra drivers.
Can the trackpad middle-click?
Yes. Turn on “Three-finger tap: middle click” to open links in new tabs and close tabs.
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