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.

Fortunately, Excel 2007 enables you to select all pages and copy formatting to all of them. This method allows you save precious time and ensure formatting is consistent across all sheets.

If you want duplicate values to stand out in an Excel spreadsheet, you can choose between two conditional formatting rules.

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