How to use Excel formulas to compare multi-column lists Your email has been sent Duplicates in the same column are easy to find by sorting, filtering, and using conditional formatting. When none ...

There are a few ways to count the number of items in an Excel list, depending on the data you have. One way is using the COUNTIF function.

COUNTIF is used to count items based on one criterion, while COUNTIFS is used to count items based on multiple criteria.

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.