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
Excel's UNIQUE function can't skip columns—unless you use this trick
Nest CHOOSECOLS inside UNIQUE to extract non-adjacent columns, and use INDIRECT for interactive header dropdowns.
Discover 17 new Excel features and functions for 2026, so you track edits and data faster. Including auto-refreshing pivots ...
Discover 15 practical Copilot tricks and tips for Outlook, Excel, Word, Teams & PowerPoint to save time and reduce daily ...
Advice columnist Carolyn Hax answers your questions about the strange train we call life.
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