• About
  • Contact
  • Cookie
  • Disclaimer
  • Privacy Policy
  • Change the purpose of use

Tnhelearning.edu.vn - Various useful general information portal

  • Photo
  • Bio
  • How To
  • Tech

How to Find Duplicate Data in Excel

February 12, 2024 by admin Category: How To

You are viewing the article How to Find Duplicate Data in Excel  at Tnhelearning.edu.vn you can quickly access the necessary information in the table of contents of the article below.

X

This article is co-authored by a team of editors and trained researchers who confirm the accuracy and completeness of the article.

The wikiHow Content Management team carefully monitors the work of editors to ensure that every article is up to a high standard of quality.

This article has been viewed 10,898 times.

When working on Microsoft Excel spreadsheets with lots of data, it is likely that you will encounter duplicate values. Microsoft Excel’s Conditional Formatting feature will correctly display duplicate locations, while the Remove Duplicates action will remove those items. Reviewing and removing duplicates ensures the accuracy of your data and presentation.

Table of Contents

  • Steps
    • Use Conditional Formatting
    • Use Excel’s Remove Duplicates feature
  • Advice
  • Warning

Steps

Use Conditional Formatting

Image titled Find Duplicates in Excel Step 1

Image titled Find Duplicates in Excel Step 1

{“smallUrl”:”https://www.wikihow.com/images_en/thumb/0/03/Find-Duplicates-in-Excel-Step-1-Version-7.jpg/v4-728px-Find-Duplicates- in-Excel-Step-1-Version-7.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/0/03/Find-Duplicates-in-Excel-Step-1- Version-7.jpg/v4-728px-Find-Duplicates-in-Excel-Step-1-Version-7.jpg”,”smallWidth”:460,”smallHeight”:345,”bigWidth”:728,”bigHeight” :546,”licensing”:”<div class=”mw-parser-output”></div>”}
Open the original file. The first thing you need to do is select all the data that you want to check for duplicates.
Image titled Find Duplicates in Excel Step 2

Image titled Find Duplicates in Excel Step 2

{“smallUrl”:”https://www.wikihow.com/images_en/thumb/1/1b/Find-Duplicates-in-Excel-Step-2-Version-7.jpg/v4-728px-Find-Duplicates- in-Excel-Step-2-Version-7.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/1/1b/Find-Duplicates-in-Excel-Step-2- Version-7.jpg/v4-728px-Find-Duplicates-in-Excel-Step-2-Version-7.jpg”,”smallWidth”:460,”smallHeight”:345,”bigWidth”:728,”bigHeight” :546,”licensing”:”<div class=”mw-parser-output”></div>”}
Click the box in the upper left corner of the data group to begin the selection process.
Image titled Find Duplicates in Excel Step 3

Image titled Find Duplicates in Excel Step 3

{“smallUrl”:”https://www.wikihow.com/images_en/thumb/3/37/Find-Duplicates-in-Excel-Step-3-Version-7.jpg/v4-728px-Find-Duplicates- in-Excel-Step-3-Version-7.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/3/37/Find-Duplicates-in-Excel-Step-3- Version-7.jpg/v4-728px-Find-Duplicates-in-Excel-Step-3-Version-7.jpg”,”smallWidth”:460,”smallHeight”:345,”bigWidth”:728,”bigHeight” :546,”licensing”:”<div class=”mw-parser-output”></div>”}
Hold down the ⇧ Shift key and click the last cell in the lower-right corner of the data group. All your data will be selected.

  • You can proceed in any order (such as clicking the bottom right box first, then starting the check).
Image titled Find Duplicates in Excel Step 5

Image titled Find Duplicates in Excel Step 5

{“smallUrl”:”https://www.wikihow.com/images_en/thumb/5/52/Find-Duplicates-in-Excel-Step-5-Version-7.jpg/v4-728px-Find-Duplicates- in-Excel-Step-5-Version-7.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/5/52/Find-Duplicates-in-Excel-Step-5- Version-7.jpg/v4-728px-Find-Duplicates-in-Excel-Step-5-Version-7.jpg”,”smallWidth”:460,”smallHeight”:345,”bigWidth”:728,”bigHeight” :546,”licensing”:”<div class=”mw-parser-output”></div>”}
Click “Conditional Formatting. “ The option is in the “Home” tab/ribbon of the toolbar (in many cases, you’ll find it under the “Styles” section). [1] X Research Source A drop-down menu will appear.
Image titled Find Duplicates in Excel Step 6

READ More:   How to Have a Good Personality

Image titled Find Duplicates in Excel Step 6

{“smallUrl”:”https://www.wikihow.com/images_en/thumb/3/36/Find-Duplicates-in-Excel-Step-6-Version-7.jpg/v4-728px-Find-Duplicates- in-Excel-Step-6-Version-7.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/3/36/Find-Duplicates-in-Excel-Step-6- Version-7.jpg/v4-728px-Find-Duplicates-in-Excel-Step-6-Version-7.jpg”,”smallWidth”:460,”smallHeight”:345,”bigWidth”:728,”bigHeight” :546,”licensing”:”<div class=”mw-parser-output”></div>”}
Select “Highlight Cells Rules” and then select “Duplicate Values”. Your data should be highlighted. Another window will open with options in the drop-down menu. [2] X Research Source
Image titled Find Duplicates in Excel Step 7

Image titled Find Duplicates in Excel Step 7

{“smallUrl”:”https://www.wikihow.com/images_en/thumb/f/fa/Find-Duplicates-in-Excel-Step-7-Version-6.jpg/v4-728px-Find-Duplicates- in-Excel-Step-7-Version-6.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/f/fa/Find-Duplicates-in-Excel-Step-7- Version-6.jpg/v4-728px-Find-Duplicates-in-Excel-Step-7-Version-6.jpg”,”smallWidth”:460,”smallHeight”:345,”bigWidth”:728,”bigHeight” :546,”licensing”:”<div class=”mw-parser-output”></div>”}
Select “Duplicate Values” from the drop-down menu.

  • If you want to display only one value, select “Unique”.
Image titled Find Duplicates in Excel Step 8

Image titled Find Duplicates in Excel Step 8

{“smallUrl”:”https://www.wikihow.com/images_en/thumb/1/16/Find-Duplicates-in-Excel-Step-8-Version-7.jpg/v4-728px-Find-Duplicates- in-Excel-Step-8-Version-7.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/1/16/Find-Duplicates-in-Excel-Step-8- Version-7.jpg/v4-728px-Find-Duplicates-in-Excel-Step-8-Version-7.jpg”,”smallWidth”:460,”smallHeight”:345,”bigWidth”:728,”bigHeight” :546,”licensing”:”<div class=”mw-parser-output”></div>”}
Select the highlight color. The highlight color will represent duplicate values. By default, the text will be dark red and light red. [3] X Research Sources
Image titled Find Duplicates in Excel Step 9

Image titled Find Duplicates in Excel Step 9

{“smallUrl”:”https://www.wikihow.com/images_en/thumb/0/08/Find-Duplicates-in-Excel-Step-9-Version-7.jpg/v4-728px-Find-Duplicates- in-Excel-Step-9-Version-7.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/0/08/Find-Duplicates-in-Excel-Step-9- Version-7.jpg/v4-728px-Find-Duplicates-in-Excel-Step-9-Version-7.jpg”,”smallWidth”:460,”smallHeight”:345,”bigWidth”:728,”bigHeight” :546,”licensing”:”<div class=”mw-parser-output”></div>”}
Click “OK” to see the results.
Image titled Find Duplicates in Excel Step 10

Image titled Find Duplicates in Excel Step 10

{“smallUrl”:”https://www.wikihow.com/images_en/thumb/b/b8/Find-Duplicates-in-Excel-Step-10-Version-7.jpg/v4-728px-Find-Duplicates- in-Excel-Step-10-Version-7.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/b/b8/Find-Duplicates-in-Excel-Step-10- Version-7.jpg/v4-728px-Find-Duplicates-in-Excel-Step-10-Version-7.jpg”,”smallWidth”:460,”smallHeight”:345,”bigWidth”:728,”bigHeight” :546,”licensing”:”<div class=”mw-parser-output”></div>”}
Select the duplicate cell and press the Delete key to delete it. You should not discard if these values represent certain data (such as survey numbers).

  • After you remove duplicate data, the unique value that remains will no longer be highlighted.
Image titled Find Duplicates in Excel Step 11

Image titled Find Duplicates in Excel Step 11

{“smallUrl”:”https://www.wikihow.com/images_en/thumb/9/9e/Find-Duplicates-in-Excel-Step-11-Version-7.jpg/v4-728px-Find-Duplicates- in-Excel-Step-11-Version-7.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/9/9e/Find-Duplicates-in-Excel-Step-11- Version-7.jpg/v4-728px-Find-Duplicates-in-Excel-Step-11-Version-7.jpg”,”smallWidth”:460,”smallHeight”:345,”bigWidth”:728,”bigHeight” :546,”licensing”:”<div class=”mw-parser-output”></div>”}
Click “Conditional Formatting” again. Whether you decide to remove duplicate data or not, it’s a good idea to disable formatting before closing the document.
Image titled Find Duplicates in Excel Step 12

Image titled Find Duplicates in Excel Step 12

{“smallUrl”:”https://www.wikihow.com/images_en/thumb/4/4f/Find-Duplicates-in-Excel-Step-12-Version-7.jpg/v4-728px-Find-Duplicates- in-Excel-Step-12-Version-7.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/4/4f/Find-Duplicates-in-Excel-Step-12- Version-7.jpg/v4-728px-Find-Duplicates-in-Excel-Step-12-Version-7.jpg”,”smallWidth”:460,”smallHeight”:345,”bigWidth”:728,”bigHeight” :546,”licensing”:”<div class=”mw-parser-output”></div>”}
Select “Clear Rules”, then select “Clear Rules from Entire Sheet”. All markup of duplicate data that you do not delete will be removed. [4] X Research Sources

  • If the spreadsheet has a lot of formatted items, you can select a specific area and then click “Clear Rules from Selected Cells” to remove the highlight.
Image titled Find Duplicates in Excel Step 13

Image titled Find Duplicates in Excel Step 13

{“smallUrl”:”https://www.wikihow.com/images_en/thumb/a/a5/Find-Duplicates-in-Excel-Step-13-Version-6.jpg/v4-728px-Find-Duplicates- in-Excel-Step-13-Version-6.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/a/a5/Find-Duplicates-in-Excel-Step-13- Version-6.jpg/v4-728px-Find-Duplicates-in-Excel-Step-13-Version-6.jpg”,”smallWidth”:460,”smallHeight”:345,”bigWidth”:728,”bigHeight” :546,”licensing”:”<div class=”mw-parser-output”></div>”}
Save changes to the document. If you are satisfied with the results, then you have succeeded in finding and removing duplicate data in Excel!

Use Excel’s Remove Duplicates feature

Image titled Find Duplicates in Excel Step 14

READ More:   How to Craft Glass in Minecraft

Image titled Find Duplicates in Excel Step 14

{“smallUrl”:”https://www.wikihow.com/images_en/thumb/5/56/Find-Duplicates-in-Excel-Step-14-Version-6.jpg/v4-728px-Find-Duplicates- in-Excel-Step-14-Version-6.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/5/56/Find-Duplicates-in-Excel-Step-14- Version-6.jpg/v4-728px-Find-Duplicates-in-Excel-Step-14-Version-6.jpg”,”smallWidth”:460,”smallHeight”:345,”bigWidth”:728,”bigHeight” :546,”licensing”:”<div class=”mw-parser-output”></div>”}
Open the original file. The first thing you need to do is select all the data that you want to check for duplicates.
Image titled Find Duplicates in Excel Step 15

Image titled Find Duplicates in Excel Step 15

{“smallUrl”:”https://www.wikihow.com/images_en/thumb/d/d2/Find-Duplicates-in-Excel-Step-15-Version-6.jpg/v4-728px-Find-Duplicates- in-Excel-Step-15-Version-6.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/d/d2/Find-Duplicates-in-Excel-Step-15- Version-6.jpg/v4-728px-Find-Duplicates-in-Excel-Step-15-Version-6.jpg”,”smallWidth”:460,”smallHeight”:345,”bigWidth”:728,”bigHeight” :546,”licensing”:”<div class=”mw-parser-output”></div>”}
Click the box in the upper left corner of the data group to begin the selection process.
Image titled Find Duplicates in Excel Step 16

Image titled Find Duplicates in Excel Step 16

{“smallUrl”:”https://www.wikihow.com/images_en/thumb/e/ec/Find-Duplicates-in-Excel-Step-16-Version-6.jpg/v4-728px-Find-Duplicates- in-Excel-Step-16-Version-6.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/e/ec/Find-Duplicates-in-Excel-Step-16- Version-6.jpg/v4-728px-Find-Duplicates-in-Excel-Step-16-Version-6.jpg”,”smallWidth”:460,”smallHeight”:345,”bigWidth”:728,”bigHeight” :546,”licensing”:”<div class=”mw-parser-output”></div>”}
Hold down the ⇧ Shift key and click the last cell in the lower-right corner of the data group. All your data will be selected.

  • You can proceed in any order (such as clicking the bottom right box first, then starting the check).
Image titled Find Duplicates in Excel Step 17

Image titled Find Duplicates in Excel Step 17

{“smallUrl”:”https://www.wikihow.com/images_en/thumb/e/ed/Find-Duplicates-in-Excel-Step-17-Version-6.jpg/v4-728px-Find-Duplicates- in-Excel-Step-17-Version-6.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/e/ed/Find-Duplicates-in-Excel-Step-17- Version-6.jpg/v4-728px-Find-Duplicates-in-Excel-Step-17-Version-6.jpg”,”smallWidth”:460,”smallHeight”:345,”bigWidth”:728,”bigHeight” :546,”licensing”:”<div class=”mw-parser-output”></div>”}
Click the “Data” tab at the top of the screen.
Image titled Find Duplicates in Excel Step 18

Image titled Find Duplicates in Excel Step 18

{“smallUrl”:”https://www.wikihow.com/images_en/thumb/f/f2/Find-Duplicates-in-Excel-Step-18-Version-6.jpg/v4-728px-Find-Duplicates- in-Excel-Step-18-Version-6.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/f/f2/Find-Duplicates-in-Excel-Step-18- Version-6.jpg/v4-728px-Find-Duplicates-in-Excel-Step-18-Version-6.jpg”,”smallWidth”:460,”smallHeight”:345,”bigWidth”:728,”bigHeight” :546,”licensing”:”<div class=”mw-parser-output”></div>”}
Find the “Data Tops” item in the toolbar. This section includes tools for managing selected data, including the “Remove Duplicates” feature.
Image titled Find Duplicates in Excel Step 19

Image titled Find Duplicates in Excel Step 19

{“smallUrl”:”https://www.wikihow.com/images_en/thumb/2/25/Find-Duplicates-in-Excel-Step-19-Version-6.jpg/v4-728px-Find-Duplicates- in-Excel-Step-19-Version-6.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/2/25/Find-Duplicates-in-Excel-Step-19- Version-6.jpg/v4-728px-Find-Duplicates-in-Excel-Step-19-Version-6.jpg”,”smallWidth”:460,”smallHeight”:345,”bigWidth”:728,”bigHeight” :546,”licensing”:”<div class=”mw-parser-output”></div>”}
Click “Remove Duplicates. “ A customization window will open.
Image titled Find Duplicates in Excel Step 20

Image titled Find Duplicates in Excel Step 20

{“smallUrl”:”https://www.wikihow.com/images_en/thumb/7/7d/Find-Duplicates-in-Excel-Step-20-Version-6.jpg/v4-728px-Find-Duplicates- in-Excel-Step-20-Version-6.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/7/7d/Find-Duplicates-in-Excel-Step-20- Version-6.jpg/v4-728px-Find-Duplicates-in-Excel-Step-20-Version-6.jpg”,”smallWidth”:460,”smallHeight”:345,”bigWidth”:728,”bigHeight” :546,”licensing”:”<div class=”mw-parser-output”></div>”}
Click “Select All”. All columns in the document will be selected. [5] X Research Sources
Image titled Find Duplicates in Excel Step 21

Image titled Find Duplicates in Excel Step 21

{“smallUrl”:”https://www.wikihow.com/images_en/thumb/b/b6/Find-Duplicates-in-Excel-Step-21-Version-6.jpg/v4-728px-Find-Duplicates- in-Excel-Step-21-Version-6.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/b/b6/Find-Duplicates-in-Excel-Step-21- Version-6.jpg/v4-728px-Find-Duplicates-in-Excel-Step-21-Version-6.jpg”,”smallWidth”:460,”smallHeight”:345,”bigWidth”:728,”bigHeight” :546,”licensing”:”<div class=”mw-parser-output”></div>”}
Check the columns where you want to apply the tool. By default, all columns will be selected.
Image titled Find Duplicates in Excel Step 22

Image titled Find Duplicates in Excel Step 22

{“smallUrl”:”https://www.wikihow.com/images_en/thumb/1/12/Find-Duplicates-in-Excel-Step-22-Version-5.jpg/v4-728px-Find-Duplicates- in-Excel-Step-22-Version-5.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/1/12/Find-Duplicates-in-Excel-Step-22- Version-5.jpg/v4-728px-Find-Duplicates-in-Excel-Step-22-Version-5.jpg”,”smallWidth”:460,”smallHeight”:345,”bigWidth”:728,”bigHeight” :546,”licensing”:”<div class=”mw-parser-output”></div>”}
Click the “My data has headers” option if you feel the need. The program will label the header for the first item in each column and exclude them from the deletion process.
Image titled Find Duplicates in Excel Step 23

Image titled Find Duplicates in Excel Step 23

{“smallUrl”:”https://www.wikihow.com/images_en/thumb/b/b4/Find-Duplicates-in-Excel-Step-23-Version-5.jpg/v4-728px-Find-Duplicates- in-Excel-Step-23-Version-5.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/b/b4/Find-Duplicates-in-Excel-Step-23- Version-5.jpg/v4-728px-Find-Duplicates-in-Excel-Step-23-Version-5.jpg”,”smallWidth”:460,”smallHeight”:345,”bigWidth”:728,”bigHeight” :546,”licensing”:”<div class=”mw-parser-output”></div>”}
Click “OK” to remove duplicate data. When you are satisfied with the options, click “OK”. All duplicate values will be removed from the selection.

  • If the program responds that there are no matching cells when you know for sure there are, check the box for each column in the “Remove Duplicates” window. Checking one column at a time fixes the error.
READ More:   Identify anti-blue light glasses: 8 easy ways to try at home
  • Image titled Find Duplicates in Excel Step 24

    Image titled Find Duplicates in Excel Step 24

    {“smallUrl”:”https://www.wikihow.com/images_en/thumb/6/66/Find-Duplicates-in-Excel-Step-24-Version-5.jpg/v4-728px-Find-Duplicates- in-Excel-Step-24-Version-5.jpg”,”bigUrl”:”https://www.wikihow.com/images/thumb/6/66/Find-Duplicates-in-Excel-Step-24- Version-5.jpg/v4-728px-Find-Duplicates-in-Excel-Step-24-Version-5.jpg”,”smallWidth”:460,”smallHeight”:345,”bigWidth”:728,”bigHeight” :546,”licensing”:”<div class=”mw-parser-output”></div>”}
    Save changes to the document. If you are satisfied with the results, then you have succeeded in finding and removing duplicate data in Excel!
  • Advice

    • You can also find duplicates by installing third-party add-ons. Some of these utilities improve on Excel’s conditional formatting and allow you to use multiple colors to identify similar values.
    • Duplicating data removal becomes useful when you need to review attendee lists, address books or similar documents.

    Warning

    • Don’t forget to save the document when you’re done!
    X

    This article is co-authored by a team of editors and trained researchers who confirm the accuracy and completeness of the article.

    The wikiHow Content Management team carefully monitors the work of editors to ensure that every article is up to a high standard of quality.

    This article has been viewed 10,898 times.

    When working on Microsoft Excel spreadsheets with lots of data, it is likely that you will encounter duplicate values. Microsoft Excel’s Conditional Formatting feature will correctly display duplicate locations, while the Remove Duplicates action will remove those items. Reviewing and removing duplicates ensures the accuracy of your data and presentation.

    Thank you for reading this post How to Find Duplicate Data in Excel at Tnhelearning.edu.vn You can comment, see more related articles below and hope to help you with interesting information.

    Related Search:

    Related Posts

    How to Create Curved Text in Photoshop
    How to fall asleep faster
    How to Install FBReader to Read eBooks

    Category: How To

    Previous Post: « Top 12 unique, strange and best Halloween costumes in 2022
    Next Post: The secret to mixing crop tops for fat people to cover all flaws, be confident, and shine »

    Copyright © 2025 · Tnhelearning.edu.vn - Useful Knowledge