How do I count duplicates in multiple columns in Excel?

6 Ways to Count Duplicate Values in Multiple Columns in Excel

Table of Contents

Method-1: Using COUNTIF Function to Count Duplicate Values in Multiple Columns.
Method-2: Combination of SUM, IF, ISNA, and MATCH Functions to Count Duplicate Values.
Method-3: Using AND Function, COUNTIF Function to Count Duplicate Values in Multiple Columns.

How do I use Countif to find duplicates in two columns?

As we saw, combining COUNTIF and AND functions can quickly find out duplicates in two columns.
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To find out whether the names in column B are duplicates, we need to:

Go to cell C2.
Assign the formula =AND(COUNTIF($A$2:$A$6, A2),COUNTIF($B$2:$B$6, A2)) in C2.
Press Enter.

How do I find duplicates in Excel using Countif?

How to identify duplicates in Excel

Input the above formula in B2, then select B2 and drag the fill handle to copy the formula down to other cells:
=IF(COUNTIF($A$2:$A$8, $A2)>1, “Duplicate”, “Unique”)
The formula will return “Duplicates” for duplicate records, and a blank cell for unique records:

How do you count the same or duplicate values only once in a column?

Count the number of unique values by using a filter

Select the range of cells, or make sure the active cell is in a table.
On the Data tab, in the Sort & Filter group, click Advanced.
Click Copy to another location.
In the Copy to box, enter a cell reference.
Select the Unique records only check box, and click OK.

How do I compare 3 columns in Excel for duplicates?

Compare columns to Identify Duplicates

Let’s use the following dummy data as an example.
Use conditional formatting – Select the columns you wish to compare.
click on “Conditional Formatting>>Highlight Cell Rules>>Duplicates.
Choose the colors for highlighting the duplicate cells by clicking on the drop-down button.

How do I count the number of occurrences in a column in Excel?

Use the COUNTIF function to count how many times a particular value appears in a range of cells. For more information, see COUNTIF function.

How do I count the number of duplicates in a column?

Tip: If you want to count the duplicates in the whole Column, use this formula =COUNTIF(A:A, A2) (the Column A indicates column of data, and A2 stands the cell you want to count the frequency, you can change them as you need).

How do you find duplicates in multiple columns?

Finding and Highlight Duplicates in Multiple Columns in Excel

Select the data.
Go to Home –> Conditional Formatting –> Highlight Cell Rules –> Duplicate Values.
In the Duplicate Values dialog box, select Duplicate in the drop down on the left, and specify the format in which you want to highlight the duplicate values.

How do I count only duplicates in Excel?

Step 1: In B2 enter the formula =SUMPRODUCT((A2:A11<>””)/COUNTIF(A2:A11,A2:A11&””)). Step 2: Press Enter directly to get result. Verify that this time the count number is 5, so this time products ‘NPS001’ and ‘nps001’ are considered as duplicate values.

What is the formula to identify duplicates in Excel?

=COUNTIF

COUNTIF to Find Duplicates
The duplicate-checking formula uses =COUNTIF to “count” which cells contain data that appears more than once throughout the spreadsheet. Resulting values can either be “TRUE” (indicating duplicate data) or “FALSE” (showing non-duplicate data).

Is there a count distinct function in Excel?

Counting unique / distinct rows in Excel is akin to counting unique and distinct values, with the only difference that you use the COUNTIFS function instead of COUNTIF, which lets you specify several columns to check for unique values.

How do I compare duplicates in columns?

Compare Two Columns and Highlight Matches

Select the entire data set.
Click the Home tab.
In the Styles group, click on the ‘Conditional Formatting’ option.
Hover the cursor on the Highlight Cell Rules option.
Click on Duplicate Values.
In the Duplicate Values dialog box, make sure ‘Duplicate’ is selected.

How do I find duplicates in multiple columns?

How do I count unique occurrences in Excel?

You can use the combination of the SUM and COUNTIF functions to count unique values in Excel. The syntax for this combined formula is = SUM(IF(1/COUNTIF(data, data)=1,1,0)). Here the COUNTIF formula counts the number of times each value in the range appears.

How do I count the number of occurrences of text in Excel?

If you want to learn how to count text in Excel, you need to use function COUNTIF with the criteria defined using wildcard *, with the formula: =COUNTIF(range;”*”) . Range is defined cell range where you want to count the text in Excel and wildcard * is criteria for all text occurrences in the defined range.

How do I highlight duplicates in different columns in Excel?

Highlight Duplicate in Two or More Ranges

To highlight duplicates, select all ranges. To select non-adjacent ranges, hold the CTRL key and use the mouse to select ranges.
Now go to Home->Conditional Formatting->Highlight Cells Rules->Duplicate Values.
Hit Enter or click OK.

How do I use Countif criteria?

Excel COUNTIF Function

Select a cell.
Type =COUNTIF.
Double click the COUNTIF command.
Select a range.
Type ,
Select a cell (the criteria, the value that you want to count)
Hit enter.

How do I filter duplicates in Excel?

In Excel, there are several ways to filter for unique values—or remove duplicate values: To filter for unique values, click Data > Sort & Filter > Advanced. To remove duplicate values, click Data > Data Tools > Remove Duplicates.

How do I count occurrences in Excel?

You can use the =UNIQUE() and =COUNTIF() functions to count the number of occurrences of different values in a column in Excel.

Can Excel count unique values in a column?

How do I use Vlookup to find duplicates in two columns in Excel?

Search & Find Duplicate Data
Just create the formula =VLOOKUP(List-1, List-2,True,False) and add it to a third column. The List-1 data will be searched in List-2. If there are any duplicates, then these will be listed in the third column where the formula was placed.

How do I compare two lists in Excel to find matches?

You can use the IF Function to compare two lists in Excel for matches in the same row. If Function will return the value TRUE if the values match and FALSE if they don’t. You can even add custom text to display the word “Match” when a criterion is met and “Not a Match” when it’s not met.

How do I count the number of unique values in a column?

How do I count and exclude duplicates in Excel?

Step 1: Go to cell D1 and enter this formula “=SUMPRODUCT(1/COUNTIF( B1:B11,B1:B11)). B1:B11 is the array range you want to count the total number of unique values in the list. Step 2: Press enter and the results will be displayed in cell D1. From the displayed results (6) we can see there are no duplicates.

How do I count duplicates in multiple columns in Excel?