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How To Remove Duplicates in Excel

To remove duplicates in Excel, you can follow these steps:

  1. Select the range of cells that you want to check for duplicates.

  2. Click on the "Data" tab in the ribbon.

  3. Click on "Remove Duplicates" in the "Data Tools" group.

  4. In the "Remove Duplicates" dialog box, choose the columns that you want to check for duplicates. By default, all columns are selected.

  5. Click "OK" to remove the duplicates.

Note that Excel will remove all instances of a duplicate value except for the first one. If you want to keep the first instance of a duplicate value and remove the others, you can use a formula or a pivot table to identify and remove the duplicates. Here's an example formula:

  1. Insert a new column to the right of the column that contains the data you want to check for duplicates.

  2. In the first cell of the new column, enter the following formula: =IF(COUNTIF(A:A,A2)>1,"Duplicate","")

  3. Copy the formula down the column to apply it to all the rows.

  4. Filter the new column to show only the "Duplicate" values.

  5. Delete the rows that contain duplicate values, keeping only the first instance of each value.

This method allows you to keep the first instance of a duplicate value, while removing all subsequent instances.

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