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 ...

When counting unique values in Microsoft Excel, use UNIQUE() as a helper function and avoid more complicated expressions. The TechRepublic article How to create a sorted unique list in an Excel ...

Microsoft Excel's UNIQUE function does exactly as its name suggests—it extracts unique values from an array. In other words, you'll only see each value once in the result, even if it appears multiple ...

Excel's UNIQUE function is a game-changer for cleaning data, but it has a frustrating limitation: it only works with adjacent columns. But by nesting additional functions inside it, you can create a ...