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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.
Steps
Use Conditional Formatting
- You can proceed in any order (such as clicking the bottom right box first, then starting the check).
- If you want to display only one value, select “Unique”.
- After you remove duplicate data, the unique value that remains will no longer be highlighted.
- 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.
Use Excel’s Remove Duplicates feature
- You can proceed in any order (such as clicking the bottom right box first, then starting the check).
- 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.
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!
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.
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