This post will guide you how to **find and highlight duplicate rows in a range of cells in Excel**. How do I find duplicate rows in a range with a formula in Excel. How to find duplicate rows in two or three columns with Conditional Formatting feature in Excel.

**Find Duplicate Rows Only**

If you have a list of data in two or more columns, such as: A1:C4, and you want to find duplicate rows in those columns in Excel. How to achieve it. You can use a formula based on the IF function, the SUMPRODUCT function to achieve the result of finding all duplicate rows in a range of cells. If found, returns TRUE, otherwise, returns False. Like this:

=IF(SUMPRODUCT(($A$1:$A$4=A1)*1,($B$1:$B$4=B1)*1,($C$1:$C$4=C1)*1)>1,"TRUE","FALSE")

Type this formula into Cell D1, and press **Enter** key in your keyboard, and then drag the AutoFill Handle over to other cells to apply this formula.

**Find and Highlight Duplicate Rows **

If you want to highlight duplicate rows, you need to use the conditional formatting feature to achieve the result in Excel. You just need to do the following steps:

**#1** you need to create a helper column and concatenate values from all columns. Just add the below formula in Cell D1, and press **Enter** key, then drag the AutoFill Handle over to Cell D4 to apply the formula:

=A1&B1&C1

Or

=CONCATENATE(A1,B1,C1)

If you have a large number of columns, you can use the TEXTJOIN function to concatenate values for all columns. Like this:

=TEXTJOIN(“,”,TRUE,A1:X1)

**#2** select the range of Cells that you want to highlight duplicate rows including the range D1:D4 in Helper column, and go to **HOME** tab, click **Conditional Formatting** command under **Styles** group. And click **New Rule** from the drop down menu list. And the **New Formatting Rule** dialog will open.

**#3** select **Use a formula to determine which cells to format** in **Select a Rule Type** list box, and type the following formula in text box of the **Format values where this formula is true**.

=COUNTIF($D$1:$D$4,$D1)>1

D1:D4 is a range of cells in helper column.

**#4** click **Format** command, and the **Format Cells** dialog will open. And switch to **Fill** tab, select one background color as you need, then click **OK** button.

**#5** click **OK** button. All duplicate rows are highlighted successfully.

**Video: Find and Highlight Duplicate Rows**

### Related Functions

- Excel SUMPRODUCT function

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The Excel COUNTIF function will count the number of cells in a range that meet a given criteria. This function can be used to count the different kinds of cells with number, date, text values, blank, non-blanks, or containing specific characters.etc.= COUNTIF (range, criteria)…

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