How to change mouse buttons

Karabiner-Elements does not modify mouse devices by default.

  1. You have to enable your mouse on Karabiner-Elements Preferences > Devices.

    karabiner-elements-mouse-button-devices@2x.png

  2. Then, use Simple Modifications to assign a key to a button or use Complex Modifications for more advanced usage.

    karabiner-elements-mouse-button-simple-modifications@2x.png