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error while Generating “xlsx” file using carlosag.excelxmlwriter dll


Excel document can not openExcel document cannot openExcel cannot open an xlsx fileUnable to open corrupted xlsx fileWindows 7 Excel 2010 annoying personal.xlsb messageExcel cannot open the fileExcel 2013 .xlsx files won't openSoftware do not open xlsx fileFirefox showing an error message while downloading .xlsx fileI want to convert the .xls file to .xlsx / .xls using python













2















I am using carlosag.excelxmlwriter dll to build Excel files. When trying to build xlsx files, the following error pops up:




Excel can not open the file "test.xlsx" because the file format or file extension is not valid. Verify that file has not been corrupted an file extension matches the format of file.




If I change extension to xls, it runs without issue.



Any suggestions?










share|improve this question

























  • I'm not familiar with that library, but the website does have an FAQ with a contact email address.

    – dangowans
    Sep 17 '12 at 22:53











  • If you aren't committed to the CarlosAg library, some alternatives have been suggested on SO - stackoverflow.com/q/4077987/1383298

    – dangowans
    Sep 17 '12 at 22:54
















2















I am using carlosag.excelxmlwriter dll to build Excel files. When trying to build xlsx files, the following error pops up:




Excel can not open the file "test.xlsx" because the file format or file extension is not valid. Verify that file has not been corrupted an file extension matches the format of file.




If I change extension to xls, it runs without issue.



Any suggestions?










share|improve this question

























  • I'm not familiar with that library, but the website does have an FAQ with a contact email address.

    – dangowans
    Sep 17 '12 at 22:53











  • If you aren't committed to the CarlosAg library, some alternatives have been suggested on SO - stackoverflow.com/q/4077987/1383298

    – dangowans
    Sep 17 '12 at 22:54














2












2








2








I am using carlosag.excelxmlwriter dll to build Excel files. When trying to build xlsx files, the following error pops up:




Excel can not open the file "test.xlsx" because the file format or file extension is not valid. Verify that file has not been corrupted an file extension matches the format of file.




If I change extension to xls, it runs without issue.



Any suggestions?










share|improve this question
















I am using carlosag.excelxmlwriter dll to build Excel files. When trying to build xlsx files, the following error pops up:




Excel can not open the file "test.xlsx" because the file format or file extension is not valid. Verify that file has not been corrupted an file extension matches the format of file.




If I change extension to xls, it runs without issue.



Any suggestions?







microsoft-excel microsoft-excel-2010






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited Sep 17 '12 at 22:55









dangowans

1,56911530




1,56911530










asked Sep 17 '12 at 7:29









pall90pall90

112




112













  • I'm not familiar with that library, but the website does have an FAQ with a contact email address.

    – dangowans
    Sep 17 '12 at 22:53











  • If you aren't committed to the CarlosAg library, some alternatives have been suggested on SO - stackoverflow.com/q/4077987/1383298

    – dangowans
    Sep 17 '12 at 22:54



















  • I'm not familiar with that library, but the website does have an FAQ with a contact email address.

    – dangowans
    Sep 17 '12 at 22:53











  • If you aren't committed to the CarlosAg library, some alternatives have been suggested on SO - stackoverflow.com/q/4077987/1383298

    – dangowans
    Sep 17 '12 at 22:54

















I'm not familiar with that library, but the website does have an FAQ with a contact email address.

– dangowans
Sep 17 '12 at 22:53





I'm not familiar with that library, but the website does have an FAQ with a contact email address.

– dangowans
Sep 17 '12 at 22:53













If you aren't committed to the CarlosAg library, some alternatives have been suggested on SO - stackoverflow.com/q/4077987/1383298

– dangowans
Sep 17 '12 at 22:54





If you aren't committed to the CarlosAg library, some alternatives have been suggested on SO - stackoverflow.com/q/4077987/1383298

– dangowans
Sep 17 '12 at 22:54










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I'm having the same problem. You used to be able to just change the extension and you could open the file without a problem. Microsoft needs to do an update.






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    I'm having the same problem. You used to be able to just change the extension and you could open the file without a problem. Microsoft needs to do an update.






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      I'm having the same problem. You used to be able to just change the extension and you could open the file without a problem. Microsoft needs to do an update.






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      New contributor




      LRose is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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        I'm having the same problem. You used to be able to just change the extension and you could open the file without a problem. Microsoft needs to do an update.






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        New contributor




        LRose is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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        I'm having the same problem. You used to be able to just change the extension and you could open the file without a problem. Microsoft needs to do an update.







        share|improve this answer








        New contributor




        LRose is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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        answered 3 hours ago









        LRoseLRose

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