How to Change the Default File Extension from .Xlsx to .Xls on Microsoft Excel 2007

This article will show you how to assign .xls as the default Save format for Microsoft Excel 2007, which can be useful if you need to share a file with someone who does not have Microsoft Excel 2007

Steps

  1. Image titled Change the Default File Extension from .Xlsx to .Xls on Microsoft Excel 2007 Step 1
    1
    In Microsoft Excel 2007, click File in the top left corner.
  2. Image titled Change the Default File Extension from .Xlsx to .Xls on Microsoft Excel 2007 Step 2
    2
    Click Excel Options.
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  3. Image titled Change the Default File Extension from .Xlsx to .Xls on Microsoft Excel 2007 Step 3
    3
    Click Save from the left category.
  4. Image titled Change the Default File Extension from .Xlsx to .Xls on Microsoft Excel 2007 Step 4
    4
    In Save files in this format, select Excel 97-2003 Workbook(*.xls)
  5. Image titled Change the Default File Extension from .Xlsx to .Xls on Microsoft Excel 2007 Step 5
    5
    Click OK
  6. Image titled Change the Default File Extension from .Xlsx to .Xls on Microsoft Excel 2007 Step 6
    6
    Close Microsoft Excel. Reopen it again.
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Community Q&A

  • Question
    What is the extension of a Microsoft Excel file?
    Arrogance
    Arrogance
    Top Answerer
    Microsoft Excel files use either .𝘅𝗹𝘀 or .𝘅𝗹𝘀𝘅 as a file extension. .𝘅𝗹𝘀𝘅 is the most common these days. .𝘅𝗹𝘀 was the default used in Microsoft Office prior to 2003.
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About This Article

wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. To create this article, volunteer authors worked to edit and improve it over time. This article has been viewed 41,287 times.
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Co-authors: 5
Updated: February 18, 2019
Views: 41,287
Categories: Microsoft Excel
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