Learn how to count the number of unique and distinct values in a column based on data in another column using array in Microsof Excel.

How to Make Excel Continue to Count Up for Each Row. Entering a series of sequential numbers into an Excel spreadsheet, one per row, can be a time-consuming and repetitive task.

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

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.

Click the "Count" option to place a checkmark next to it. Click one of the column headers in the document that has values. The word "Count" appears in the status bar's bottom right corner.

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.