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This How.com.vn teaches you how to convert a Microsoft Excel file (.XLS) to the .DAT format on a Windows PC. You’ll begin by converting the .XLS file to .CSV (comma separated values) format, and then you can convert to .DAT in an app like Notepad.

Quick .XLS to .DAT Conversion Steps

  1. Open your .XLS document in Excel.
  2. Navigate to File > Save as....
  3. Change the Save as type drop-down to CSV (Comma delimited(*.csv).
  4. Save the file in your desired location.
  5. Open the .CSV file in Notepad and navigate to File > Save as....
  6. Change the Save as type drop-down to All Files (*.*).
  7. Save the file as "[filename].DAT" where [filename] is your desired file name.
Part 1
Part 1 of 2:

Converting to .CSV

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  1. How.com.vn English: Step 1 Open Microsoft Excel.
    It’s in the Microsoft Office group of the All Apps section of the Windows/Start menu.
  2. How.com.vn English: Step 2 Click the File menu.
    It’s near the top-left corner of the screen.
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  3. How.com.vn English: Step 3 Click Open.
  4. How.com.vn English: Step 4 Click the file you want to convert.
    The file will open in Excel.
  5. How.com.vn English: Step 5 Click the File menu.
  6. How.com.vn English: Step 6 Click Save as….
  7. How.com.vn English: Step 7 Navigate to the folder where you want to save the file.
  8. How.com.vn English: Step 8 Click the “Save as type” drop-down menu.
    A list of file types will appear.
  9. How.com.vn English: Step 9 Select CSV (Comma delimited)(*.cvs).
    This will create a file that can be converted to .DAT format.
  10. How.com.vn English: Step 10 Type a name for the file.
    It goes into the “File name” field. If you want to accept the current name you can skip this step.
  11. How.com.vn English: Step 11 Click Save.
    A confirmation message will appear.
  12. How.com.vn English: Step 12 Click OK.
    The .CSV file is saved and ready to be converted.
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Part 2
Part 2 of 2:

Converting the .CSV to .DAT

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  1. How.com.vn English: Step 1 Press ⊞ Win+E.
    This opens the file explorer.
  2. How.com.vn English: Step 2 Navigate to the folder where you saved the .CSV file.
    Don’t click the file once you open the folder, just bring it onto the screen.
  3. How.com.vn English: Step 3 Right-click the file to convert.
  4. How.com.vn English: Step 4 Select Open with….
    A list of apps will appear.
  5. How.com.vn English: Step 5 Click Notepad.
    The file will open in the Notepad app.
  6. How.com.vn English: Step 6 Click the File menu.
    It’s near the top-left corner of Notepad.
  7. How.com.vn English: Step 7 Click Save As….
  8. How.com.vn English: Step 8 Click the “Save as type” drop-down menu.
    It’s below the “File name” field. A list of file types will appear.
  9. How.com.vn English: Step 9 Select All Files (*.*).
    Choosing this option allows you to specify your own file extension.
  10. How.com.vn English: Step 10 Rename the file with .DAT at the end.
    For example, if the “File name” field currently says Book1.txt, change it to Book1.dat.
    • It doesn’t matter whether the letters in .DAT are capital or lowercase.
  11. How.com.vn English: Step 11 Click Save.
    The original file is now saved in the .DAT format.
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      About This Article

      How.com.vn English: Nicole Levine, MFA
      Written by:
      How.com.vn Technology Writer
      This article was co-authored by How.com.vn staff writer, Nicole Levine, MFA. Nicole Levine is a Technology Writer and Editor for How.com.vn. She has more than 20 years of experience creating technical documentation and leading support teams at major web hosting and software companies. Nicole also holds an MFA in Creative Writing from Portland State University and teaches composition, fiction-writing, and zine-making at various institutions. This article has been viewed 95,849 times.
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      Co-authors: 3
      Updated: March 19, 2024
      Views: 95,849
      Categories: Microsoft Excel
      Thanks to all authors for creating a page that has been read 95,849 times.

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