The Ribbon was a great addition to Outlook 2007 and carried forward to 2010 however it does take up alot of screen space. With a simple Keyboard shortcut, you can make the Ribbon disappear and appear again.
* To hide the Ribbon, simply press CTRL+F1
* To show the Ribbon, press CTRL+F1 again
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Keyboard Shortcuts on Ribbons in Outlook 2010 (and 2007)
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