How-To Geek on MSN

6 silent Excel spreadsheet killers (and how you can stop them)

Audit hidden data, filters, and hard-coded values to ensure your Excel spreadsheets are professional and precise.
How-To Geek on MSN

How to use the REDUCE function in Microsoft Excel

Macros are powerful, but they don't work on the web or mobile. I’ve switched to the native REDUCE function for my complex ...