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

One of the most powerful features of Excel is the array—a formula designed to act simultaneously on sets of two or more values in order to calculate other values. Yet, because arrays appear to be ...

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 ...

There are lots of ways to return the top or bottom n records from a data set in Microsoft Excel, but the new dynamic array functions make doing so easier than ever. Returning the top or bottom n ...

Q. How do I use the FILTER function in Excel, and how is this an improvement over the filter feature? A. The FILTER function was introduced five years ago as part of the Excel Dynamic Arrays rollout.