How to Find Matching Values in Two Columns in Excel

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Compare data with just a few simple commands
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Excel remains one of the most powerful tools in the Microsoft Office Suite, but it can be understandably daunting as well. Fortunately, we have broken down one of Excel's most essential features into just a few simple steps. This wikiHow article will teach you how to find matching values in two columns in Excel.

Finding Matching Values in 2 Excel Columns

  1. Select the columns you want to compare.
  2. Click "Conditional Formatting" in the "Home" tab.
  3. Select "Highlight Cells Rule" and "Duplicate Values."
  4. Browse your columns for highlighted values.
Method 1
Method 1 of 3:

Using Conditional Formatting

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  1. Using conditional formatting in Excel will allow you to automatically highlight any matching values across multiple columns. Click and drag your mouse over the columns you would like to compare. [1]
    • If the two columns are not side by side, simply hold down Ctrl and select whichever columns you need.
  2. This will open up a drop-down menu with various additional options. [2]
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  3. This setting tells Excel that you want your conditional formatting to detect values that are duplicated (i.e., match) across your selected columns. [3]
  4. After selecting your conditional formatting settings, Excel will show you a pop-up window. Ensure the window reads Duplicate in the left-hand box, and click "OK."
    • The other box in the pop-up window allows you to change the colors Excel uses to indicate duplicates. The default is "Light Red Fill with Dark Red Text", but you may choose whichever you prefer.
  5. Excel will now highlight any duplicates with the formatting you chose in the previous pop-up box. Look for this colored formatting and identify any matches.
    • Using conditional formatting to find matching values is a handy way to find matches that may not be in the same row.
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Method 2
Method 2 of 3:

Using VLOOKUP

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  1. The VLOOKUP function involves using a specific formula to find matching values. You'll need a third column to input the formula and display any matches.
  2. Assuming your data begins from the top-left corner of your spreadsheet, the formula is as follows: =VLOOKUP(B1,$A$1:$A$17,1,FALSE) . [4]
    • The "17" in the formula indicates 17 rows of data. Change the number to fit however many rows of data you have.
    • The "FALSE" value at the end of the formula is what tells Excel to look for an exact match in value. Replace it with "TRUE" to search for the nearest match that is less than or equal to the corresponding data point (represented in this case by B1). [5]
    • Just entering "=VLOOKUP" in Excel will pull up the full formula, which you can reference in populating each field with the necessary info.
  3. Drag down from the corner of the first box to your final row of data to copy the formula. Excel will automatically change the first value to the corresponding data point in that row. [6]
  4. If there are any matching values, they will display as a number in your spreadsheet's third column. If there are no matching values, the VLOOKUP formula will simply turn up "#N/A".
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Method 3
Method 3 of 3:

Using a TRUE/FALSE formula

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  1. This method involves using a specific formula to find matching values. You'll need a third column to input the formula and display its results.
  2. Assuming your data begins from the top-left corner of your spreadsheet, the formula is as follows: =A1=B1 .
  3. Drag down from the corner of the first box to your final row of data to copy the formula. Excel will automatically change the values to the corresponding data points in that row.
  4. Matching values will turn up a "TRUE" value. If there is no match, the box in the third column will read "FALSE." [7]
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      References

      1. ↑ https://support.microsoft.com/en-us/office/highlight-patterns-and-trends-with-conditional-formatting-eea152f5-2a7d-4c1a-a2da-c5f893adb621
      2. ↑ https://support.microsoft.com/en-us/office/highlight-patterns-and-trends-with-conditional-formatting-eea152f5-2a7d-4c1a-a2da-c5f893adb621
      3. ↑ https://support.microsoft.com/en-us/office/highlight-patterns-and-trends-with-conditional-formatting-eea152f5-2a7d-4c1a-a2da-c5f893adb621
      4. ↑ https://www.geeksforgeeks.org/how-to-find-duplicate-values-in-excel-using-vlookup/
      5. ↑ https://www.automateexcel.com/functions/vlookup-formula-excel/
      6. ↑ https://www.geeksforgeeks.org/how-to-find-duplicate-values-in-excel-using-vlookup/
      7. ↑ https://support.microsoft.com/en-gb/office/true-function-7652c6e3-8987-48d0-97cd-ef223246b3fb

      About This Article

      Article Summary X

      1. Use conditional formatting to highlight matching values.
      2. Use VLOOKUP or a TRUE/FALSE formula to display matching values in a new column.

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