Today's mice come with a center wheel between the two buttons. If you haven't explored it yet, you're in for a treat. Rolling the wheel up and down will usually move the current content up and down, respectively. So it's an easy way to scroll up and down through Word text or Excel data.
The wheel also provides a quick alternative to the Zoom control. (Interesting, there's no keyboard shortcut for accessing the Zoom control.) To zoom in and out using the mouse, hold down the [Ctrl] key while you turn the mouse wheel. Each click, up or down, increases or decreases the zoom factor by 10%.
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Susan Sales Harkins is an IT consultant, specializing in desktop solutions. Previously, she was editor in chief for The Cobb Group, the world's largest publisher of technical journals.