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.

How to remove duplicates in Excel for a single column When you have duplicate data that you want to remove from a single column in your dataset, start by clicking into the column you want to dedupe.

How to delete duplicates in Excel? To remove duplicates in Excel sheets follow these simple steps: Select the rows from which you’d like to remove duplicate data, go to Data tab and select Remove ...

In your sheet, click Extensions, then Remove Duplicates, and choose: Find Duplicates or Uniques. Follow the steps in the add-on wizard to choose the range and columns you'd like to check for ...