Learn why the Excel AGGREGATE function fails with arrays and how to fix value errors using helper columns or dynamic LAMBDA and BYROW formulas.

On Jan. 26, 2026, the Submillimeter Array (SMA) on Maunakea crossed an important threshold for time-domain astronomy. For the ...

Microsoft 365 charges $99.99 a year for software you’ll never own. Pay for it for a decade and you’ve handed Microsoft a ...

EPPlus supports dynamic array formulas and spill ranges from version 7. A dynamic array formula is a formula that returns multiple values — the results automatically spill into adjacent cells, just as ...

DuckDB is an amazing tool with deep integration with Python and R, but sometimes you just need data in Excel. xlDuckDb allows DuckDB SQL to be run within Excel. Query results are returned as regular ...

Q. I get a detailed revenue transaction export from the client, and then I get it again, revised, usually after I’ve already filtered, sorted, and documented my selections. I’m tired of reapplying ...

If you often work with data that starts life as a text file or CSV, Microsoft Excel now has new built-in tools that simplify how that information gets pulled into a spreadsheet. The update introduces ...

Microsoft is making it easier to bring data into Excel, especially for users who just want quick results without opening Power Query. In a new update for Excel on Windows, Microsoft has introduced ...

Array constants in Microsoft Excel are powerful tools for performing multiple calculations with a single formula. Using array constants in your Excel worksheets avoids the need for lengthy or repeated ...

YouTube remains one of the most effective platforms for learning Excel quickly and for free. Channels that focus on real-world use cases help speed up Excel skill development. In 2025, creators ...