Excel Tutorial: How To Merge Two Excel Spreadsheets And Remove Duplicates


When working with Excel spreadsheets, merging two sheets and removing duplicates is an essential task that can streamline data and make it more manageable. By combining information from multiple sources and eliminating redundant entries, you can create a more efficient and organized spreadsheet.

Furthermore, streamlining data in Excel not only saves time and effort, but also reduces the risk of errors and inconsistencies. It is a crucial step in data analysis and reporting, ensuring that you have access to accurate and reliable information.

Key Takeaways

  • Merging and removing duplicates in Excel is essential for streamlining data and making it more manageable
  • Streamlining data in Excel saves time, reduces errors, and ensures accurate information for analysis and reporting
  • Preparing and merging spreadsheets involves reviewing and identifying common fields, ensuring consistent column structure, and adjusting formatting as needed
  • Removing duplicates and blank rows is done using Excel functions such as "Remove Duplicates" and "Go To Special"
  • Reviewing the merged and cleaned spreadsheet is crucial to confirm the removal of duplicates and unnecessary blank rows

Step 1: Preparing the Excel Spreadsheets

Before merging the two excel spreadsheets and removing duplicates, it is important to ensure that both spreadsheets are ready for the process. This involves opening the spreadsheets, reviewing the data, and ensuring the columns are structured in the same way.

A. Open both Excel spreadsheets
  • Locate and open the two Excel spreadsheets that you want to merge.
  • Ensure that both spreadsheets are accessible and open on your computer.

B. Review the data in each spreadsheet to identify common fields for merging
  • Examine the data in each spreadsheet to identify common fields that can be used as the basis for merging.
  • Look for columns or data points that can serve as matching criteria for merging the two spreadsheets.

C. Ensure both spreadsheets have the same column structure
  • Check the column structure of both spreadsheets to ensure they are consistent and match each other.
  • Verify that the columns in both spreadsheets have the same headers and are in the same order.

Step 2: Merging the Spreadsheets

After removing duplicates, the next step is to merge the two spreadsheets into one cohesive document. This will allow for easier analysis and reporting of the data.

  • A. Use the "Copy" function to select all data in the second spreadsheet
  • In the second spreadsheet, select all the data by clicking and dragging the cursor from the top-left cell to the bottom-right cell. Alternatively, you can use the keyboard shortcut "Ctrl + A" to select all the data in the spreadsheet.

  • B. Paste the copied data at the end of the first spreadsheet
  • With the data in the second spreadsheet copied, navigate to the first spreadsheet. Scroll to the end of the data and click on the cell where you want to paste the copied data. Right-click on the cell and select "Paste" from the dropdown menu. Alternatively, you can use the keyboard shortcut "Ctrl + V" to paste the data.

  • C. Adjust formatting and headers as needed to ensure consistency
  • Once the data is pasted into the first spreadsheet, review the formatting and headers to ensure consistency across the entire document. This may involve adjusting column widths, aligning data, and ensuring that the headers match between the two sets of data. Consistent formatting will make it easier to work with the merged spreadsheet going forward.

Step 3: Removing Duplicates

After merging the two spreadsheets, the next step is to remove any duplicate records and clean up the data.

A. Select the entire merged spreadsheet

Before removing duplicates, make sure to select the entire merged spreadsheet to work with the complete dataset.

B. Use the "Remove Duplicates" function in Excel

Once the entire merged spreadsheet is selected, navigate to the "Data" tab and locate the "Remove Duplicates" function in the "Data Tools" group. Click on this option to initiate the process of removing duplicate records.

C. Follow the prompts to choose the key fields for removing duplicates

After clicking on the "Remove Duplicates" function, a dialog box will appear prompting you to select the key fields that will be used to identify and remove duplicate records. Choose the appropriate fields based on your data and click "OK" to proceed with the removal of duplicates.

Step 4: Removing Blank Rows

After merging the two excel spreadsheets, it’s essential to remove any blank rows that may have been created in the process. This will ensure that your data is clean and organized.

A. Use the "Go To Special" function to select blank cells
  • 1. Open the merged spreadsheet in Excel
  • 2. Click on the first cell of the column where you suspect there are blank cells
  • 3. Press Ctrl + Shift + Down Arrow to select all the cells in that column
  • 4. Click on the "Home" tab, then select "Find & Select" and then "Go To Special"
  • 5. In the "Go To Special" dialog box, select "Blanks" and click "OK"

B. Delete the selected blank rows
  • 1. After the blank cells are selected, right-click on any of the selected cells
  • 2. Choose "Delete" from the dropdown menu
  • 3. In the "Delete" dialog box, select "Entire Row" and click "OK"

C. Verify that all unnecessary blank rows have been removed
  • 1. Scroll through the spreadsheet to ensure that all blank rows have been deleted
  • 2. Use the Ctrl + End shortcut to navigate to the last cell of the spreadsheet and verify if it’s the last cell with data
  • 3. Make any additional manual adjustments if necessary

By following these steps, you can ensure that your merged Excel spreadsheet is free from any unnecessary blank rows, keeping your data clean and organized.

Step 5: Reviewing the Merged and Cleaned Spreadsheet

After merging and removing duplicates from the two Excel spreadsheets, it is crucial to thoroughly review the final result to ensure accuracy and completeness.

A. Double-check for any remaining duplicates
  • Scan the entire spreadsheet to ensure that no duplicate entries remain. Use the “Remove Duplicates” function again if necessary to eliminate any overlooked duplicates.

B. Ensure all necessary data is retained after the merge
  • Compare the original spreadsheets with the merged spreadsheet to confirm that all relevant data has been successfully combined without any omissions.
  • Verify the accuracy of formulas and calculations to ensure that the merging process has not inadvertently affected any important data.

C. Confirm that the spreadsheet is now free of blank rows
  • Scroll through the entire spreadsheet to check for any remaining blank rows and remove them if necessary. Blank rows can disrupt the overall functionality and visual appeal of the spreadsheet.
  • Use the “Go To Special” function to quickly identify and remove any remaining blank rows in the merged spreadsheet.


In conclusion, merging and removing duplicates in Excel is essential for maintaining clean and organized data. By following the tutorial, you can experience the efficiency and accuracy benefits of having a single, consolidated spreadsheet. I highly encourage you to apply these techniques to your own Excel data management tasks, as it will help you work more effectively and make better-informed decisions.

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