To check if a value exists in an array, we can loop through its elements. However there is another solution! You can use the INDEX () function, native to Excel and in ...

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 found yourself buried under a mountain of Excel spreadsheets, painstakingly updating formulas every time new data comes in? It’s a common struggle, one that can turn even the most ...

Dynamic arrays change the rules for formula output in Excel. When I write a formula that returns a list by default, I need to decide whether I want the result to spill across a range of cells or ...