How to Find Duplicates in Microsoft Excel
- George Apostolov
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How to Find Duplicates in Microsoft Excel: step-by-step guide
Open Microsoft Excel and click on the highlight all cell at the top left corner of the table.
Go to the Excel ribbon and click on "Conditional Formatting."
Select "Highlight Cells Rules."
Click "Duplicate Values."
Excel will highlight the duplicate entries as shown below.
Quick answer: To find duplicates in Microsoft Excel, highlight all cells at the top left corner, navigate to Conditional Formatting in the ribbon, select Highlight Cells Rules, and click Duplicate Values to highlight entries.
About this Microsoft tutorial
Highlight and identify duplicate entries easily using Microsoft Excel conditional formatting rules. This guide shows how to find Duplicates in Microsoft Excel in 5 steps, starting with "Open Microsoft Excel and click on the highlight all cell at the top left corner of the..." and finishing with "Excel will highlight the duplicate entries as shown below". The interactive demo above is a click-through copy of the real Microsoft interface, so you can rehearse each step before doing it in your own account.
Frequently asked questions
How many steps does it take to find Duplicates in Microsoft Excel?
5 steps. Each one is listed in order above, and the demo highlights exactly where to click.
Can I try it without changing my own account?
Yes. Clicking through the demo doesn't touch your Microsoft data or settings. Once you know the flow, repeat it in your own workspace.
This tutorial is filed under Microsoft and Excel. Related guides: How to Find Missing Numbers in a Sequence Using Microsoft Excel, How to Find Percentage in Microsoft Excel and How to Find Slope in Microsoft Excel. Last reviewed 05 Oct 2026.
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