The ribbon user-interface in the new versions of Office is still not universally loved. Trying to find ways to remove or hide it is a frequent request. In Office 2010 the ribbon can be hidden way with one simple mouse click. This function is available to the entire office suite include Word, Outlook, Powerpoint, and Excel.
Killing the ribbon through preferences or hacks has been commonplace since this new interface was released. Now it can be hidden with one mouse click.
Clicking the down arrow in the upper right hand corner of the application (near the question mark) will open or close the ribbon interface. It’s better demonstrated through the pictures below.