How to Highlight Duplicates in Microsoft Excel?

Here are the steps on how to highlight duplicates in Microsoft Excel:

  1. Open the Excel spreadsheet that contains the data you want to highlight.
  2. Select the cells that you want to check for duplicates.
  3. Go to the Home tab and click on Conditional Formatting.
  4. In the Conditional Formatting menu, select Highlight Cells Rules > Duplicate Values.
  5. In the Duplicate Values dialog box, you can choose the following options:
    • Highlight duplicates with: This option lets you choose the formatting that you want to use to highlight the duplicate values.
    • Show only unique values: This option will hide the duplicate values and only show the unique values.
    • Compare to: This option lets you compare the selected cells to a range of cells. For example, you could compare the selected cells to the entire spreadsheet or to a specific range of cells.
  6. Click OK.

The duplicate values will now be highlighted in the selected cells.

Here are some additional things to note:

  • You can also use the keyboard shortcut Alt+H+L+H+D to highlight duplicates in Excel.
  • If you want to highlight duplicates in a specific column, you can select the column before you go to the Conditional Formatting menu.
  • You can also use conditional formatting to highlight other types of data, such as cells that contain errors or cells that are above or below a certain value.

If you want to change the way duplicates are highlighted, or if you want to remove the formatting, you can go back to the “Conditional Formatting” menu and modify or clear the rules you applied.

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