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

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

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 ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...