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 ...

Use Excel data validation to prevent duplicate values in a column Your email has been sent Prevent duplicates before they happen by combining a simple function with data validation. Excel has built-in ...

Numbers affect your business's success, and Excel helps you manage your numbers. Whether your spreadsheets contain sales figures or employee names, you may need to need to count values in a ...