PowerPivotPro has 15 Spreadsheet Formatting Tips. It’s really a nice collection.
![clip_image004[4]](http://www.powerpivotpro.com/wp-content/uploads/2012/01/clip_image0044_thumb.jpg "clip_image004[4]")
15 Spreadsheet Formatting Tips « PowerPivotPro
Excel & OfficeTips & Hidden Features
Archived post from 2012. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.