When you have a column with duplicated values, you may often need to know how many duplicates are there for each of those values. Count instances of each duplicate record individually If you want to know the exact number of identical records in your Excel sheet, use one of the following formulas to count duplicates. 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. To search for duplicate rows with 1 st occurrences, use this formula: For this, we are going to create a duplicate formula based on the COUNTIFS function that allows checking multiple criteria at a time: Supposing, you have order numbers in column A, dates in column B, and ordered items in column C, and you want to find duplicate rows with the same order number, date and item. rows that have completely equal values in all columns. If your aim is to dedupe a table consisting of several columns, then you need a formula that can check each column and identify only absolute duplicate rows, i.e. If you are using Google spreadsheets, the following article might be helpful: How to find and remove duplicates in Google Sheets. 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. Duplicate Remover for Excel - fast and formula free way to locate duplicates.Other ways to deal with duplicates (highlight, remove, select, copy or move).How to find case-sensitive duplicates in Excel. Search for duplicates without 1 st occurrences.Check for duplicates with 1 st occurrences.These solutions work in all versions of Excel 365, Excel 2021, Excel 2019, Excel 2016, Excel 2013 and lower. In one of our previous tutorials, we discussed various ways to compare two tables or columns for duplicates.Īnd today, I'd like to share a few quick and effective methods to identify duplicates in a single list. While working with a large Excel worksheet or consolidating several small spreadsheets into a bigger one, you may find lots of duplicate rows in it. 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. The tutorial explains how to search for duplicates in Excel.
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