Short answer

Side buttons on many mice do nothing in Safari or Finder on Mac. Tuno makes them work as Back and Forward everywhere, or assigns them to Mission Control, desktops, show desktop or middle click.

Last updated

In macOS

macOS doesn’t assign actions to extra mouse buttons; some browsers support them, Safari and Finder don’t.

With Tuno

  1. 1

    Open Tuno › Mouse & Trackpad and allow Accessibility.

  2. 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. 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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