How-To Geek on MSN

Stop using so many tabs in Microsoft Excel

Fragmenting your data across many Excel tabs is a common habit that silently kills file performance, introduces hidden errors ...
MUO on MSN

Learning REDUCE in Excel completely changed how I use spreadsheets

REDUCE allows you to iterate through your data, building your result step-by-step, in the same way a loop operates in a ...

Pick the Right Excel Lookup, XLOOKUP or FILTER for Your Data & Stop Wasting Time

Learn when FILTER beats XLOOKUP, when it does not, and how to handle multiple matches, nth items, and multi-condition lookups with clear steps.
TechRepublic

Susan Harkins

Susan Sales Harkins is an IT consultant, specializing in desktop solutions. Previously, she was editor in chief for The Cobb Group, the world's largest publisher of technical journals. Header text ...