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.

Duplicates in the same column are easy to find by sorting or filtering. Duplicates that span multiple columns require a bit of setup, but the solution's not difficult to implement.

Microsoft Excel is perhaps the most powerful spreadsheet application you can buy. But it also has some simple functions, like finding duplicates in data.

How to find duplicate data in Excel? If you want to check for any duplicate data in your Excel file before deleting it, follow this procedure: Select and highlight all the data you want to search for ...

Duplicates in the same column are easy to find by sorting, filtering, and using conditional formatting. When none of those are an option, try this simple formula solution.

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 ...

In previous versions of iOS, relying on your iPhone to automatically track down duplicate photos in your Photo Library wasn't an option, and if ...