Use the Alt Key
The Alt Key in Office 2007,2010 and 2013 is a useful key that helps you learn the keyboard shortcuts. Simply press the Alt Key and then you will see a whole host of visual clues on screen. In the short video that follows, which was recorded in Office 2010, you will see how using the Alt Key can help you to find out what the keyboard shortcuts are.
Video Tip: Use the Alt Key in Microsoft Word 2010 to access shortcuts from the Ribbon. Quickly get visual keyboard shortcuts.
Let me know via the comments how useful this is and how much time you will save now that you can use the Keyboard instead of the mouse.