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 ...

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.

If you use Microsoft Excel, you probably know the popular spreadsheet tool automatically numbers each row in a spreadsheet outside the columns of the sheet itself. But often you want to have a column ...

Now, let’s look at a simple example. Specifically, let’s use Subtotal to return a count of the number of books due back on each date in the Due column in the sheet below.

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

Microsoft Excel allows you to crunch massive quantities of data easily through the use of functions. Sometimes you need to know the number of actual data points without counting blank cells.