Check duplicate values in excel | Highlight duplicate value in excel | Find all duplicate value in excel

Sometimes we need to find out the duplicate values in excel but we know very well that we can check duplicate value till maximum 25 to 50 records manually. if we have a large list in excel then it will be very defucult to find out all duplicate values.
Solution : Excels provide this capability with just a few mouse click.

Check duplicate values in excel 2010

  • Select the range of cells which you need to check for duplicate value or click on first cell of the column and press Ctrl+A.
  • Click on excel Home tab, and choose Conditional Formatting -> Highlight Cells Rules -> Duplicate Values.
  • You got Duplicate Values Dialog box here you can find the highlight color for duplicate values. you can change Highlight color by selected the required color value. by default its color will be light red.
  • Now press OK within the Duplicate Values Dialog box to identify the duplicate values.
  • Now you can see duplicate values with highlight color.
Figure 1: Excel's Conditional Formatting option makes it easy to identify duplicate values in a selected list.

Check duplicate values in excel 2007

Use Conditional Formatting to Find Duplicate Data in Excel 2007
Figure 2: Excel's Conditional Formatting to Find Duplicate Data in Excel 2007.

Excel's have option to isolate the duplicates values after conditional formatting, as shown in figure Below:

  • Select one of the duplicate cells.
  • Right-Click on it and choose Filter -> Filter by Selected Cell's Color.
  • Now excel cell's collapses the list to show only the duplicate value with Highlight color only as shown in the figure.
Figure 3: Excel's Filter by Selected Cell's Color Option.
Result Sheet
Figure 4: Excel's Filter by Selected Cell's Color Result.
To clear the conditional formatting rules from the excel screen sheet. You can follow the below steps :
  • Click on Home Menu.
  • Click on Conditional Formatting Option In Menu.
  • Select Clear Rules.
  • Then Select Clear Rules from Entire Worksheet, as shown in Figure 5.
Figure 5: Clear Conditional formatting from a worksheet in Excel 2007 and later.

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