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

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 ...

How can we find duplicate values across multiple columns? For this task, we’ll use two Excel helper formulas: One to concatenate the columns you’re comparing; a second to count the duplicates.