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.

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 ...

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 ...