To show duplicate rows without 1 st occurrences, make a little adjustment to the above formula: For example, row 8 has the same order number and date as rows 2 and 5, but a different item in column C, and therefore it is not marked as duplicate row: The following screenshot demonstrates that the formula really locates only the rows that have identical values in all 3 columns. IF( SUM(( -EXACT( range, uppermost _cell)))1, "Duplicate row", "") In situations when you need to identify exact duplicates including the text case, use this generic array formula (entered by pressing Ctrl + Shift + Enter):
How to find case-sensitive duplicates in Excel =IF(COUNTIF($A$2:$A2, $A2)>1, "Duplicate", "")Īs you can see in the following screenshot, this formula does not identity the first occurrence of " Apples" as duplicate: So, let's modify our Excel duplicate formula by using absolute and relative cell references where appropriate: And if you want to keep the unique values in your list, then you cannot delete all duplicate records, you need to only delete the 2 nd and all subsequent instances. In case you plan to filter or remove duplicates after finding them, using the above formula is not safe because it marks all identical records as duplicates. How to search for duplicates in Excel without 1 st occurrences The formula will return "Duplicates" for duplicate records, and a blank cell for unique records: In case, you want an Excel formula to find duplicates only, replace "Unique" with an empty string ("") like this: For example, to search for duplicates in cells A2:A8, use this formula:įor a duplicate formula to return something more meaningful than the Boolean values of TRUE and FALSE, enclose it in the IF function and type any labels you want for duplicate and unique values: If you need to find duplicates in a range of cells rather than in an entire column, remember to lock that range with the $ sign.
Input the above formula in B2, then select B2 and drag the fill handle to copy the formula down to other cells:Īs you can see in the screenshot above, the formula returns TRUE for duplicate values and FALSE for unique values. Here's a formula to find duplicates in Excel including first occurrences (where A2 is the topmost cell): These can be invoices, product Id's, names or any other data.
Supposing you have a list of items in column A that you want to check for duplicates. How to find duplicate records including 1 st occurrences Depending on whether you want to find duplicate values with or without first occurrences, there's going to be a slight variation in the formula as shown in the following examples. The easiest way to detect duplicates in Excel is using the COUNTIF function.
You will also learn how to count instances of each duplicate record individually and find the total number of dupes in a column, how to filter out duplicates, and more. You will learn a few formulas to identify duplicate values or find duplicate rows with or without first occurrences. You will see that duplicate records have been deleted.The tutorial explains how to search for duplicates in Excel. And click "OK".Īfter doing that a dialog box will be opened that shows how many duplicate records have been deleted and how many records remain. Select the column name to be used to determine whether to remove duplicate rows. In the "Data" tab click on "Remove Duplicates".Ī Remove Duplicate window will be shown. Open an Excel worksheet and select a record from where you want to remove duplicate rows. How to delete duplicate rows from Excel data sheets To do that Excel provides a "Remove Duplicates" property by which you can easily delete duplicate rows from large data sheets. In a large Excel data sheet it's very difficult to find and delete duplicate rows from a record. A duplicate row in a list is one where all values in one row are an exact match of all the values in another row. In this article we explain how to remove duplicate rows from large data sheets in Excel 2013.