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 ...

The syntax for counting the number of unique values from a list of a column using the array formula is as follows: =SUM(IF(COUNTIF(<first cell from which you count the number of unique values>:<last ...

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

Navigating the world of Excel can sometimes feel like trying to solve a puzzle with missing pieces. If you’ve ever found yourself wrestling with the XLOOKUP function, only to be met with a chaotic ...

Creating a list of duplicate values that’s separate from the data source is easier than ever thanks to Microsoft Excel’s FILTER() function. There are a number of ways to highlight duplicate values.

In addition to listing data, you can also use Excel to manipulate data. For example, you can compute sales, determine inventory or calculate nearly anything. However, rather than manually entering a ...