When I first discovered Excel's dynamic array functions, my entire approach to spreadsheet design shifted. They replaced my clunky, multistep workarounds with smart, self-expanding formulas that adapt ...

Don't copy formulas cell by cell — you're working way harder than you need to.

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 ...

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 ...

Excel’s spill range is a product of using dynamic array functions. Learn how the spill range fulfills these functions. Over the last few months, I’ve written several articles about Excel’s newish ...

In addition to the new SORT function, you may also find the new FILTER and UNIQUE array functions useful. For example, the worksheet on the next page contains a detailed listing of invoices in columns ...

The AGGREGATE function in Excel is a versatile feature designed to perform calculations like sums, averages and counts while selectively ignoring elements such as hidden rows, errors, or filtered-out ...

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.

Microsoft is expanding Excel with lists and arrays that hold multiple independently usable values in a single cell.