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Written by Jacky Chou

How To Find Duplicates In Excel

Key Takeaway:

  • Excel has several built-in tools to identify duplicate values in a data set. These include conditional formatting, remove duplicates, and advanced filtering.
  • Conditional formatting highlights duplicate values in a data set using colors, allowing you to easily identify and analyze them. It can also be used to highlight unique values and other patterns in the data.
  • The remove duplicates tool allows you to remove duplicate values from a data set, either in the entire sheet or in a specific range. This tool is useful for creating clean and accurate data sets for analysis.
  • The advanced filter tool can be used to extract only unique values from a data set, or to extract duplicates and unique values based on specific criteria.

Do you struggle to find duplicates in your spreadsheets? Our guide will show you how to quickly and easily identify and remove unnecessary duplicates in Excel. With our simple steps, you can say goodbye to unnecessary data and confusion.

Identify Duplicate Values

Identifying duplicate values in Excel? Use tools and techniques! To get the job done, check out the “Identify Duplicate Values” section. Sub-sections include Conditional Formatting, Remove Duplicates and Advanced Filter. These solutions are the most feasible!

Identify Duplicate Values-How to Find Duplicates in Excel,

Image credits: by David Washington

Conditional Formatting

The process of formatting cells based on a set of given conditions is known as Contextual Styling. It can be used to emphasize important data and draw attention to specific values, while making your spreadsheet more visually appealing. Here’s how you can apply Contextual Styling in Excel.

1.Select the range of cells you want to format.
2.Navigate to the ‘Conditional Formatting’ option under ‘Home’ tab.
3.Choose an appropriate rule, like ‘Highlight Cells Rules’, or create a custom rule based on your requirements.

For more advanced styling options like color scales and data bars, select the ‘Color Scales’ and ‘Data Bars’ options respectively.

It’s essential to note that conditional formatting can only be applied to one sheet at a time, so changes made on one sheet will not affect others.

Fun Fact: Conditional Formatting was first introduced in Excel version 2007.

Goodbye clones! How to eliminate duplicate values in Excel like a boss.

Remove Duplicates

To eradicate redundant data from an Excel worksheet, we can use the feature known as ‘Eliminate Repetitions.’ This built-in tool helps to compare values in selected columns and eliminate identical records while retaining only one instance of each. To use this feature proficiently, refer to the following points in Paragraph 2:

  • The Remove Duplicates tool is primarily used to inspect and organize datasets that have multiple instances of the same record.
  • This function can be seen in the Data tab under “Data Tools.”
  • You can select individual or entire table columns for duplicate validation.
  • Excel Eradicates copies based solely on chosen cell content.
  • If only some form of cell mistake occurs, duplicates removal wouldn’t work on that instance.
  • Additionally, there is a warning notice before deleting duplicates.

For further knowledge and insight into eliminating duplicates Validation, check out additional resources like Excel Tips to get more knowledge about data cleaning.

In light of discovering duplicated instances within spreadsheets best practices require:

  • Sorting by columns : sorting allows all repeated material to appear close with one another
  • Consistently using distinct element labels – formatting information allows us to quickly spot potential repetitive items
  • Cleaning up common spelling errors
  • Avoiding combining tables from other sources without further verification.

Filter out the fakes with Advanced Filter, because duplicate data is a wannabe imposter.

Advanced Filter

Are you encountering data with duplicate values on your Excel spreadsheet? Learn how to efficiently remove them through the Semantic NLP variation of Advanced Filter.

  • Advanced filtering is a feature in Excel that allows users to filter multiple columns of data simultaneously, making it easier to identify and remove duplicates.
  • It has various filtering criteria such as filtering by specific values or conditions, filtering unique records, and even customizing filters using formulas.
  • The advanced filter tool can also copy filtered data to another location, making it easier to work with just the necessary information.
  • You can also set up an automated advanced filter for regular tasks like monthly reports or tracking expenses.

Have you ever utilized ‘AND’ or ‘OR’ operators when conducting an advanced filter? Using these operators enables you to create specific parameters for your data filters that may require more than one condition.

Don’t let duplicate values on Excel slow down your progress. Use Advanced Filter’s power and flexibility effectively today!


In this article, we discuss a Semantic NLP variation of the article heading ‘Summary‘ highlighting key points to determine how to find duplicates in Excel.

To begin, we explore ways to identify duplicates, including built-in Excel formulas and conditional formatting. Next, we delve into using data validation to prevent duplicate entries and avoiding errors. Additionally, we detail how to remove or highlight duplicates without changing an original dataset. Lastly, for those seeking a more efficient approach, we suggest using dedicated add-ins and software.

Be sure not to miss any duplicates in your Excel data by utilizing the tips mentioned above.

Summary-How to Find Duplicates in Excel,

Image credits: by David Arnold

Five Facts About How to Find Duplicates in Excel:

  • ✅ Excel has a built-in tool called “Conditional Formatting” that can be used to highlight duplicates within a selected range of cells. (Source: Microsoft Office Support)
  • ✅ The “Remove Duplicates” function in Excel can quickly and easily find and delete duplicate values within a selected range of cells. (Source: Excel Easy)
  • ✅ Excel also has a “COUNTIF” function that can be used to count the number of times a specific value appears within a selected range of cells. (Source: Excel Campus)
  • ✅ Third-party add-ins, such as “Duplicate Remover for Excel,” can be used to find and remove duplicate data in a more advanced and customized way. (Source: Ablebits)
  • ✅ It’s important to consider which columns or fields are being compared when searching for duplicates and to ensure that the data is formatted consistently before running a duplicate search. (Source: Spreadsheeto)

FAQs about How To Find Duplicates In Excel

How to Find Duplicates in Excel?

There are several ways to find duplicates in Excel. You can use conditional formatting, the remove duplicates function, or a formula to identify and highlight the duplicates. Here’s how to do it:

  1. Select the range of cells where you would like to identify the duplicates
  2. Go to the Home tab and click on Conditional Formatting → Highlight Cells Rules → Duplicate Values
  3. Select the formatting that you want for the duplicates and click OK
  4. To remove the duplicates, go to the Data tab and click on Remove Duplicates
  5. Select the columns you want to check for duplicates, and click OK
  6. To use a formula, enter “=COUNTIF(A1:A10,A1)>1” into a new column and drag the formula down to check for duplicates in the range A1:A10

What should I do if I accidentally delete important data when removing duplicates?

If you accidentally delete important data when removing duplicates, you can use the undo function to restore it. Just click on the undo button or press Ctrl + Z to undo the last action. If you have already saved the file, you can try to recover the deleted data from your backup or by using a third-party recovery tool.

What are the benefits of using a formula to find duplicates in Excel?

Using a formula to find duplicates in Excel can be faster and more flexible than using conditional formatting or the remove duplicates function. You can customize the formula to match specific criteria and apply it to multiple columns or sheets. You can also use the formula to count the number of duplicates, highlight them, or remove them altogether.

What is the difference between finding duplicates in Excel and finding unique values?

When you find duplicates in Excel, you are looking for cells that have the same value as one or more other cells in the selected range. When you find unique values, you are looking for cells that have a value that appears only once in the selected range. To find unique values, you can use conditional formatting, the remove duplicates function, or a formula that includes the “UNIQUE” or “COUNTIF” function.

How can I find duplicates in specific columns or worksheets in Excel?

To find duplicates in specific columns or worksheets in Excel, you can use the same methods as for finding duplicates in a range of cells. The only difference is that you need to select the specific columns or sheets before applying the method. For example, you can select a specific column by clicking on its header, or select multiple columns by holding down the Ctrl key while clicking on the headers. You can also select a specific worksheet by clicking on its tab at the bottom of the screen.

What should I do if I have a large amount of data with duplicates in Excel?

If you have a large amount of data with duplicates in Excel, it can be time-consuming and tedious to identify and remove them manually. In this case, you can use a macro or a specialized add-in to automate the process. You can also consider using a data cleaning tool that can handle larger datasets and offer more advanced features such as fuzzy matching and string comparison.

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