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.

Creating a list of duplicate values that’s separate from the data source is easier than ever thanks to Microsoft Excel's FILTER() function.

Excel will eliminate duplicate entries, leaving unique values. This method might remove duplicates in your data that you'd like to keep, so if this happens, consider manually deleting the data ...

You can remove duplicates in Excel in a few steps; duplicates can create problems when you're dealing with data. Excel provides an easy tool that removes duplicate values for you, but it can only ...

Fortunately, Excel offers several built-in features that make it easy to identify and remove duplicate values, helping you ensure your data is clean and accurate.

In the new pop-up window select duplicate values in the selected range and choose the colour you’d like to use to highlight the duplicates. Click OK. Now cells that have the duplicates will be ...

By using the Highlight Cells Rules, you can highlight duplicate cells in your Excel worksheet to avoid confusion and mistakes.

When a conditional formatting rule is overkill, use these VBA procedures to highlight duplicates and then remove the highlighting in Microsoft Excel.