How to extract unique values based on criteria in Excel?

Supposing, you have the following data range that you want to list only the unique names of column B based on a specific criterion of column A to get the result as below screenshot shown. How could you deal with this task in Excel quickly and easily?

Extract unique values based on criteria with array formula

Extract unique values based on criteria Kutools for Excel

doc extract uniques with criteria 1

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To solve this job, you can apply a complex array formula, please do as follows:

1. Enter this formula: =INDEX($B$2:$B$17, MATCH(0, IF($D$2=$A$2:$A$17, COUNTIF($E$1:$E1, $B$2:$B$17), ""), 0)) into a blank cell where you want to list the extracting result, in this example, I will put it to cell E2, and then press Shift + Ctrl + Enter keys to get the first unique value, see screenshot:

doc extract uniques with criteria 2

Note: In the above formula: B2:B17 is the column range contains the unique values that you want to extract from, A2:A17 is the column contains the criterion you based on, D2 indicates the criterion that you want to list the unique values based on, and E1 is the cell above your entered formula.

2. Then drag the fill handle down to the cells to list all unique values based on the specific criterion, see screenshot:

doc extract uniques with criteria 3

If you are not skilled with the complicated formula, here, I will talk about an easy way to solve it without any formulas. You can filter the data by a specific criterion firstly, and then apply the Select Duplicates & Unique Cells feature of Kutools for Excel to select the unique values and then paste them to other cells you need.

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After installing Kutools for Excel, please do as follows:( Download Kutools for Excel Now! )

1. First, please select the data range that you want to use, and click Data > Filter, and click the arrow button besides the cell that you want to filter the data based on a specific criterion, in the expanded list box, select the criterion that you want to filter out, see screenshot:

doc extract uniques with criteria 4

2. Then click OK, the desired data has been filtered out, and select the values in column B that you want to extract the unique names from, then click Kutools > Select > Select Duplicate & Unique Cells, see screenshot:

doc extract uniques with criteria 5

3. In the Select Duplicate & Unique Cells dialog box, select All unique (Including 1 st duplicates) under the Rule section, see screenshot:

4. Then click Ok button, all unique values have been selected, and then please copy the values and paste them into the cell that you want to list the result, see screenshot:

doc extract uniques with criteria 7

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Konstantin · 21 days ago
Is there a way to make this work while ALLOWING for duplicate values? For instance, I want all instances of Lucy to be listed in the results.
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  skyyang · 8 hours ago
  
  Hello, Konstantin,
  To extract all corresponding values including the duplicates based on a specific cell criteria, the following array formula can help you, see screenshot:
  =IF(ISERROR(INDEX($A$1:$B$17,SMALL(IF($A$1:$A$17=$D$2,ROW($A$1:$A$17)),ROW(1:1)),2)),"",
  INDEX($A$1:$B$17,SMALL(IF($A$1:$A$17=$D$2,ROW($A$1:$A$17)),ROW(1:1)),2))
  
  After inserting the formula, please press Shift + Ctrl + Enter keys together to get the correct result, and then drag the fill handle down to get all values.
  Hope this can help you, thank you！
  
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Ed · 8 months ago
This has worked great for me with a specific lookup value. However, if I wanted to use a wildcard to look up partial values, how would I do that? For example, if I wanted to lookup all the names associated with KT?

I am using this function to look up cells that contain multiple text. For example if each product also had a sub-product within the same cell but I was only looking for names associated with the sub-product "elf".

KTE - elf
KTE- ball
KTE - piano
KTO - elf
KTO- ball
KTO - piano
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ewik · 8 months ago
For me the formula does not work. I press ctrl shift enter and i still get an error N/A. I would like to add that i prpared exaclty the same data as in tutorial. What is the reason it does not work?
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Joe Jerz · 1 years ago
How would I get this formula to return each of the duplicates instead of one of each of the names? For instance, in the example above, how would I get the results column (B:B) to return Lucy, Ruby, Anny, Jose, Lucy, Anny, Tom? I'm using this as a budget tool pulling to specific account summaries from a general ledger. However, several of the amounts and transaction descriptions are duplicates in the general ledger. Once the first of the duplicated values is pulled, no more of them get pulled.
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  skyyang · 1 years ago
  
  Hi, Joe,
  To extract all corresponding values based on a specific cell criteria, the following array formula can help you, see screenshot:
  =IF(ISERROR(INDEX($A$1:$B$17,SMALL(IF($A$1:$A$17=$D$2,ROW($A$1:$A$17)),ROW(1:1)),2)),"",
  INDEX($A$1:$B$17,SMALL(IF($A$1:$A$17=$D$2,ROW($A$1:$A$17)),ROW(1:1)),2))
  
  After inserting the formula, please press Shift + Ctrl + Enter keys together to get the correct result, and then drag the fill handle down to get all values.
  Hope this can help you, thank you！
  
  未标题-1.png
  
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  Joe Jerz · 1 years ago
  
  Last Question: If I want the results column to return all values not associated with KTE or KTO (so, D:D would be Tom, Nocol, Lily, Angelina, Genna), how would I do that?
  
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  Joe Jerz · 1 years ago
  
  Ok, so it works in the master workbook. There is one exception that I haven't been able to determine the cause of: If the array (in my case, the general ledger that I had beginning in row 3) does not begin in Row 1, the returned values are incorrect. What causes this problem, and which term in the formula fixes it? Thanks again for your help with this!
  
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  Joe Jerz · 1 years ago
  
  So far so good. I'm able to duplicate the results in the test sheet, make changes to the array, and then correct the formula to account for the changes I've made. I plan to move this into the master sheet today and see how it works. Thanks for the help!
  
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Me · 1 years ago
Thank You!
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