Row precision vs. Aggregation errors: MAP is the best way to use "greedy" functions like AND or OR in a single, dynamic ...

Have you ever carefully crafted a formula in Excel, only to watch it unravel into chaos the moment you copy it across columns? It’s a maddening quirk of Excel tables—structured references that seem to ...

Nest CHOOSECOLS inside UNIQUE to extract non-adjacent columns, and use INDIRECT for interactive header dropdowns.

Excel 2007's new table feature eliminates the need to copy formulas; once you define a data range as a table, Excel will do it for you! Tables are new to Excel 2007 ...

Discover 17 new Excel features and functions for 2026, so you track edits and data faster. Including auto-refreshing pivots ...

Please note: This item is from our archives and was published in 2018. It is provided for historical reference. The content may be out of date and links may no longer function. Because the field names ...

Those of us over a certain age will remember using paper lookup tables for logarithms or trigonometry functions. Those who are younger will have been exposed to lookup tables in their programming ...

Microsoft Excel was first released in 1987 and — despite popular competitors such as Google Sheets — is still used by millions of businesses throughout the world. Described as the “world’s most ...