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How to Remove Duplicate Values in Excel in Just 5 Steps

Posted: Feb 2, 2017
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How to Remove Duplicate Values in Excel in Just 5 Steps

Data duplication can happen when records are entered into the spreadsheet more than once (or you're combining records from multiple sources). You might also find duplicates for one or more fields, such as a name or state field, with the same data and want to limit the records to unique data for some fields.

When you remove duplicate values, only the values in the range of cells or table are affected. Any other values outside the range of cells or table are not altered or moved. Still, because you are permanently deleting data, it's a good idea to copy the original range of cells or table to another worksheet or workbook before removing duplicate values.

Below are 5 steps to removing duplicate values in Excel:

  1. Select the range of cells, or make sure that the active cell is in a table.
  2. On the Data tab, in the Data Tools group, click Remove Duplicates.
    excel1.png
  3. Do one or more of the following:
      • Under Columns, select one or more columns.
      • To quickly select all columns, click Select All.
      • To quickly clear all columns, click Unselect All.

Removing Duplicate Values in Excel Step 2
If the range of cells or table contains many columns and you want to only select a few columns, you may find it easier to click Unselect All, and then under Columns, select those columns.

    1. Click OK.

Note: Excel displays a message indicating how many duplicate values were removed and how many unique values remain, or if no duplicate values were removed.
Removing Duplicate Values in Excel Step 4

    1. Click OK. You are done!

Congratulations. You now can run through these simple steps to quickly remove any duplicate data in your Excel spreadsheets! Note: You cannot remove duplicate values from data that is outlined or that has subtotals. To remove duplicates, you must remove both the outline and the subtotals.


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