How to Show Duplicate Records in Excel. As your business grows, so too will the documents and spreadsheets that you use to help keep things running. Eventually, the spreadsheets may get so big ...

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.

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

If your source data is in Excel and has duplicates, run Power Query to remove those duplicates before running a Word mail merge.