Search for duplicates in two Excel tables

Compare two columns or lists for matches and differences

Compare Tables for Excel provides a fast way to find duplicates and unique values in any two data sets: tables, columns, or lists. The tool can search for matches and differences by one or several key columns. Once the duplicates are found, you can select or highlight them, copy or move to another location, or delete all dupes at once.

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This tool is part of
Ultimate Suite
Compare Tables for Excel 2016 - 2007

With Compare Tables for Excel you will

  • Search for duplicate or unique values Compare two columns, lists, or tables in Excel for matches and differences.
  • Select one or more columns for comparison Check two lists for duplicate rows by comparing values in one or several key columns.
  • Remove duplicates in Excel sheets Deduplicate your worksheet by removing all repeated values or duplicate rows at a time.
  • Highlight matches and differences Highlight duplicates and unique values with any color of your choosing.
  • Copy or move duplicate records Move duplicate entries or copy unique values to a new worksheet or workbook.
  • Identify matches and differences Insert a status column that marks each row as "Duplicate" or "Unique".
  • Select unique or duplicate cells To find out how many duplicates are in your table, just get them selected.
  • Compare two tables no matter their size Compare two tables with a different number of columns and up to one million rows.

How to compare two sheets, lists or columns in Excel

  
Video: how to compare Excel worksheets for matches and differences
Select your main table
Select your main table
Select the second table to compare it with the main one
Select the second table to compare it with the main one
Choose to find duplicates or unique values
Choose to find duplicates or unique values
Select the key columns for comparison
Select the key columns for comparison
Choose what to do with the found entries
Choose what to do with the found entries
Two tables are compared, duplicate rows are found
Two tables are compared, duplicate rows are found
Video: how to compare Excel worksheets for matches and differences
Select your main table
Select the second table to compare it with the main one
Choose to find duplicates or unique values
Select the key columns for comparison
Choose what to do with the found entries
Two tables are compared, duplicate rows are found

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Frequently asked questions

About the Compare Tables tool in Excel

  • What is Compare Tables for Excel?

    The Compare Tables for Excel tool helps to find matches and differences between two columns, lists, or tables. You choose the ranges to compare and one or several key columns. Compare Tables can identify matches (duplicates) and differences (unique values). You can select the found entries, copy or move to another worksheet or workbook, remove duplicates, highlight dupes and uniques with color.

  • Can't I compare lists for differences without any add-ins?

    You can try to identify matches and differences between two lists with a formula, or you can use Excel conditional formatting to highlight duplicates. The problem is that a universal formula to compare data in Excel does not exist. Every time you will have to build a new formula depending on whether you want to check for duplicates or unique values, with or without first occurrences, etc. Compare Tables for Excel can handle all these scenarios and makes the process of looking for duplicates and unique values fast and easy.

  • Why not deduplicate in Excel using the built-in Remove Duplicates tool?

    The Remove Duplicates feature available in Excel 2007, Excel 2010, Excel 2013 and Excel 2016 can only search for duplicates in one table. It cannot compare two columns for differences and matches. Nor can it highlight, select, or copy dupes, only remove them.

  • How to find duplicates in Excel with this tool?

    For starters, please make sure both tables you want to check for duplicates are open in Excel, they can be in the same or different worksheets or workbooks.

    Click the Compare Tables icon on the Ablebits Data tab, and do the following:

    1. Select your main table. Since Excel won't let you undo changes, it makes sense to select the Create a backup copy of the worksheet checkbox.
    2. Select your second table.
    3. Choose what you want to find: duplicates (matches) or unique values (differences).
    4. Select the key columns for comparison.
    5. Choose the desired action for found data: select or highlight cells, remove duplicates, identify in a status column, copy or move the results to another location.
    6. Finally, click the Finish button and have your comparison done.

    For a more detailed instruction click here.

  • I need to check for duplicates in two columns, will the tool help me?

    Yes. The add-in can compare two columns in Excel for matches. You just select the first column as your main table and the second column as the table for comparison.

  • Can I find duplicate rows in two tables?

    Sure. To find duplicate lines in two tables, select several key columns on step 4. In this case, the add-in will show you duplicate rows. Once the rows are found, you can remove duplicate lines in one click.

  • How to remove duplicates with the Compare Tables tool?

    To remove duplicate records, on step 3 select to search for duplicates. On step 5, choose the Delete values option. As the result, all duplicates will be removed from the main table.

  • Can I find dupes in two Excel tables without removing them?

    Of course, you can. The add-in offers plenty of options to deal with dupes apart from removing them. You can get them all selected or highlighted with color, copied or moved to another worksheet or Excel file. Also, you can add a column to your main table to identify duplicate and unique rows.

  • How to compare two lists in Excel and find unique values?

    To find the differences between two tables, on step 3 select to check for unique values. On step 5, decide whether to select or highlight the unique values, or mark with a status column.

  • I need to find unique values and copy them to another sheet, is it possible?

    Yes! Just select the Copy to another location option on step 5 and get all the unique values copied to the file you chose

  • Can Compare Tables highlight duplicates in two Excel tables of different size?

    Sure. The tool can find and highlight differences and matches in two tables of any size, no matter how many columns or rows each of them contains.

Supported versions

 

Excel

  • Excel 2016
  • Excel 2013
  • Excel 2010
  • Excel 2007
  • 32-bit and 64-bit
  • Desktop Excel included in Office 365
  • Desktop Excel included in Office 365 ProPlus

Windows

  • Windows 10
  • Windows 8.1
  • Windows 8
  • Windows 7
  • Windows Vista
  • Windows XP
  • 32-bit and 64-bit
Free download
14-day trial version
  • Included in Ultimate Suite for Excel
  • 14-day fully-functional version

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