W hen writing formulas in Excel, SUM and VLOOKUP are staples for beginners. But since Excel has over 400 functions, it's helpful to know more of the extremely useful ones, especially when looking to ...

Simplify data analysis with Excel PivotTables. Learn how to replace formulas, uncover trends, and create dynamic reports in minutes.

To activate Power Pivot, go to File > Options, click Add-ins, select COM Add-ins from the dropdown, and check the box for ...