How-To Geek on MSN

How to use the MAP function in Microsoft Excel

Row precision vs. Aggregation errors: MAP is the best way to use "greedy" functions like AND or OR in a single, dynamic ...
How-To Geek on MSN

Don't just hit save: 5 Excel formats that will change the way you work

Upgrade from standard Excel workbooks to specialized formats that shrink, shield, and streamline your spreadsheets.