When counting unique values in Microsoft Excel, use UNIQUE() as a helper function and avoid more complicated expressions.

If you wish to count the same or duplicate values in a column only once in Excel or the count of occurances of duplicate values, read this article.

Specifying the conditional count of a value sounds like a daunting task, but two Excel functions make quick work of this challenge.

Excel's COUNT function produces a number of cells containing any value, but only COUNTIF and COUNTIFS can use conditions to narrow your results. The COUNTIF function is used for one condition ...

You can count the number of values in a single cell in Excel and Google Sheets that are seperated by comma using this function or formula.