How-To Geek on MSN

Excel's Custom Data Validation: A Trick You Didn't Know You Needed

If you've used data validation in Excel before, you probably selected the relevant cells, clicked "Data Validation" in the Data tab on the ribbon, and created the rule in the Data Validation dialog ...
MrExcel on MSN

Master Lookup in Python – Excel XLOOKUP Step-by-Step Tutorial

If you use Excel 40 hours a week (and those are the weeks you are on vacation), welcome to the MrExcel channel. Home to 2,400 ...