Have you ever struggled with Excel formulas, trying to calculate running totals only to be left with errors and frustration? Many of us have faced the challenge of managing datasets where each row’s ...

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

Excel doesn’t have a built-in AVERAGEIF() function, but you can still average values, conditionally. Excel has SumIf and CountIf, but no AverageIf. However, with a little array magic, you can get ...

Microsoft Excel’s dynamic array function XLOOKUP() might completely replace VLOOKUP() and HLOOKUP(). Microsoft Excel’s lookup functions are powerful but often misunderstood because they have a few ...

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 ...

Pivot tables still have their place, but I'd rather type one formula for a quick summary.