Remove Duplicate Rows in Excel

This tutorial shows how to remove duplicate rows in a Microsoft Excel spreadsheet using the built-in Remove Duplicates data tool. You select the range that may contain duplicates, tell Excel whether the first row is a header, and choose which columns should be checked. The method is demonstrated for Excel on Windows 10 or a Mac.

How to Remove Duplicate Rows in Excel, by Gauging Gadgets on YouTube. 2 min 33 s.

Video length
2 min 33 s
Time to do it
Varies
Difficulty
Easy
Steps
6

What this tutorial covers

  • Uses Excel's built-in Remove Duplicates tool rather than formulas.
  • Lets you choose which columns Excel checks when identifying duplicate rows.
  • Includes an option to mark that your data has headers before removal.

Prerequisites

  • Microsoft Excel on a Windows 10 computer or a Mac.

Steps

  1. Open Excel on your Windows 10 computer or Mac.

  2. Highlight the cells containing any potential duplicates. This can include any headers.

  3. In the top menu select Data, then Remove Duplicates.

  4. If your data has a header, ensure you check My data has headers.

  5. Select the columns where you want Excel to check for duplicates.

  6. Select OK.

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