# Customize|Mouse (Options Dialog Box)

## Options

> Middle mouse button action

> By clicking on the 'Assign' button, you can select any WndTabs command to be mapped to the middle mouse button. For instance, if you select the "Close Window" command, clicking on a tab with the middle button will close that tab.
> This feature does not affect the behavior of the middle mouse button outside of the tab area.

> Shell context menu shortcut

> This shortcut combination allows you to access a file's shell context menu directly.