How to Remove Duplicates in Excel? Excel is a widely used spreadsheet application that allows users to organize, manipulate, and analyze data. However, it’s not uncommon for data to contain Duplicates, leading to errors and inaccuracies in your analysis. Luckily, Excel provides several methods to remove duplicates from a data set.
Using the Remove Duplicates Function
One of Excel’s most straightforward ways to remove duplicates is to use the built-in “Remove Duplicates” function. Here’s how to use this function:
Step 1: Select the range of cells from which you want to remove duplicates.
Step 2: Go to the “Data” tab and click on “Remove Duplicates” in the “Data Tools” group.
Step 3: In the “Remove Duplicates” dialog box, select the columns that contain duplicates. Excel will automatically check all columns, but you can uncheck the ones that are not relevant.
Step 4: Click “OK,” and Excel will remove all duplicates.
Using the Advanced Filter Function
The “Advanced Filter” function is another built-in feature in Excel that can help you remove duplicates. Here’s how to use it:
Step 1: Select the range of cells from which you want to remove duplicates.
Step 2: Go to the “Data” tab and click on “Advanced” in the “Sort & Filter” group.
Step 3: In the “Advanced Filter” dialog box, select the “Copy to another location” option.
Step 4: In the “Copy to” field, enter the cell where you want to copy the filtered data.
Step 5: Check the “Unique records only” option.
Step 6: Click “OK,” and Excel will remove all duplicates.
How to Check Using Conditional Formatting?
Excel’s “Conditional Formatting” feature can also identify and remove duplicates. Here’s how to use it:
Step 1: Select the range of cells that you want to check for duplicates.
Step 2: Go to the “Home” tab and click on “Conditional Formatting” in the “Styles” group.
Step 3: Select “Highlight Cells Rules” and “Duplicate Values.”
Step 4: In the “Duplicate Values” dialog box, choose the formatting style you want to apply to the duplicates.
Step 5: Click “OK,” Excel will highlight all duplicate cells.
Step 6: Go to the “Data” tab and click on “Remove Duplicates” in the “Data Tools” group.
Step 7: In the “Remove Duplicates” dialog box, check the “My data has headers” option.
Step 8: Select the columns that you want to remove duplicates from.
Step 9: Click “OK,” and Excel will remove all duplicates.
Using the Countif and If Functions
The “Countif” and “If” functions in Excel can be used together to remove duplicates. Here’s how to use them:
Step 1: Create a new column next to the column that contains duplicates.
Step 2: Enter the following formula in the first cell of the new column:
=IF(COUNTIF($I$2:$I$9,I2)>1,”Duplicate”,”Unique”)
This formula checks if the value in cell K2 appears more than once in the column. If it does, the formula returns “Duplicate“; otherwise, it returns “Unique.”
Step 3: Copy the formula to all cells in the new column.
Step 4: Sort the data by the new column so all duplicates appear together.
Step 5: Select the rows that contain duplicates and delete them.
Conclusion
Each of these methods has its advantages and you can ensure that your data is accurate and free of duplicates, which is crucial for making informed decisions based on your data analysis. So, try these methods in Excel to remove duplicates and streamline your data!
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