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Leaving visible revision marks and comments in a document that you thought was "final" can be embarrassing. In this demo, a Microsoft employee who uses Word himself demystifies what's going on with those tracked changes that you thought were gone from your document. He also shows you two ways to banish those markings permanently and gain peace of mind. Watch the demo, and don't forget to rate it at the bottom of the screen.
How to do it (text version):