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

Fast research: Like the name suggests, choose this option for a quick search to discover sources. Deep research: If you want a full, in-depth briefing and analysis, choose Deep Research. It'll take ...

The @ symbol can also appear in regular formulas outside of tables when Excel thinks you're trying to reference a single value from a range. If you see it pop up unexpectedly, it usually means Excel ...

For years, a French mathematician searched for a proof that a gigantic number is prime. His method is still used 150 years ...

REDUCE allows you to iterate through your data, building your result step-by-step, in the same way a loop operates in a programming language. Instead of scattering your intermediate calculations ...

This guide describes how to link checkboxes to multiple cells in Excel in Windows 11/10 manually, or automate the process ...