Collabora Office 24.04 Help
Shows or hides the menus and toolbars in Writer or Calc. To exit the full-screen mode, click the Full Screen button or press the Esc key.
In Writer and Calc, you can also use the shortcut keys Shift+J to switch between the normal and full-screen mode. +
You can still use shortcut keys in Full Screen mode, even though the menus are unavailable.