How to Find Duplicate Values in Excel Using VLOOKUP?
In this article, we will look into how we can use the VLOOKUP to find duplicate values in Excel.
To do so follow the below steps:
- Let’s make two columns of different section to check VLOOKUP formula on columns:
- Here is the formula we are going to use:
- In this formula, the List-1 names will be searched in List-2. If there exists any duplicate name, the formula will return the name from List-1. Let`s look closely at our example for better clarification.
- In C2 we will write this formula =VLOOKUP(A2:A10,B2:B10,TRUE,FALSE) and then press enter.
- Now, we will see this result:
- Here the Himesh is found because the VLOOKUP function searches this name from Section A to Section B. When the same name is found it will output the result from Section A.
- Now drag the list and see all values.
- The #N/A results are found because, in those particular cells, the names from column A are not found in column B.
- In the Result column, you’re seeing a total of 2 duplicate values ( Himesh, Pragya). #N/A values are representing the unique values of column Section A.
Using VLOOKUP to find duplicate values in two Excel worksheets
We can also use the VLOOKUP to find duplicate values between two Excel worksheets. To do so follow the below steps:
- Make two excel workbooks Section A and Section B.
- In the B2 of Section B type the below code and press enter:-
Using VLOOKUP to find duplicates in two Workbooks of Excel
We can also use the VLOOKUP to find duplicate values between two Excel workbooks. To do so follow the below steps:
- Now we create a new Section A in a new Workbook with different values.
- And In our main workbook which we were working (in our last example), create another worksheet titled Sheet 1 and again create a list of products.
- Now in cell C2 of Sheet1, write down the following formula and press enter.
=IF(ISERROR(VLOOKUP(B2,[VL]Section A!$A$2:$A$10,1,0)),"Unique", "Duplicate")
- You will get the result as Unique because value does not exist in Section A.
- Now Drag Down the formulated cell to see out the result of the whole column.
My Personal Notes arrow_drop_up
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