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.

To tell Excel 2007 to repeat one or more rows or columns, first chose the Page Layout tab in the Ruler, then Print Titles (in Excel 2003, choose File | Page Setup, then Sheet).

To tell Excel 2007 to repeat one or more rows or columns, first chose the Page Layout tab in the Ruler, then Print Titles (in Excel 2003, choose File | Page Setup, then Sheet).

Highlighting or even deleting duplicate records in Excel is simple but listing them isn't as easy. Fortunately, you can use Power Query to easily display a list of duplicate values or records.