What you do with the result is up to you. It’s flexible and can easily find duplicate rows. Perhaps the easiest way to find duplicates is to use Excel’s advanced filter. How to filter for duplicate records in Excel Excel for the web doesn’t support advanced filters and limits formatting, but you can apply conditional formatting rules. For your convenience, you can download the demonstration. I’m using Microsoft 365 on a Windows 64 bit-system, but you can use earlier versions. SEE: Windows, Linux, and Mac commands everyone needs to know (free PDF) (TechRepublic) In this article, I’ll show you how to find duplicates in Microsoft Excel. There’s no one feature or technique that will find duplicates in every case. Duplicates can occur within a single column, across multiple columns or complete records. That’s because a duplicate is subjective to the context of its related data. In the duplicate world, definition means everything. For more info, visit our Terms of Use page. This may influence how and where their products appear on our site, but vendors cannot pay to influence the content of our reviews. We may be compensated by vendors who appear on this page through methods such as affiliate links or sponsored partnerships. You'll need more than one trick up your sleeve to find duplicates in Microsoft Excel.