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  • Excel cannot open the file ‘file.xlsx’ because the file format

    Every now and then, when I try opening an Excel file, I get a message saying that "Excel cannot open the file 'file.xlsx' because the file format or the file extension is not valid. Verify that the file has not been corrupted and that the file extension matches the format of the file.

    weinmagaul5 pointsBadges:
  • I have a user that is unable to open Excel xlsx file.

    I have a user that is unable to open xlsx file. Our environment is Office 2007, Win 7. Everyone else can access the file except for her. And it doesn't matter what PC she tries to access the file from - it seems to be linked to her profile/login. We have tried to delete the shortcut, recreate it,...

    garymoore5515 pointsBadges:
  • What is XLSX file format like zip file format?

    Just like the zip file format has various offsets and bits for version number,compression method etc,what is the similar bit format for an xlsx file?

    priyaanand15 pointsBadges:
  • How to Import Data from a .CSV or .XLSX file to an AS400 file?

    I want to import the data of a .CSV or .XLSX file to a AS400 file. How can I accomplish this? Also, the .CSV/.XLSX file has two columns that I would like to keep in the AS400 File. Any inputs would be really appreciated.

    Jorame5 pointsBadges:
  • file format or extension invalid

    after using Excel 2007 for several months with no problem, I had to reformat and reload windows xp professional. then I installed Excel 2007 and now I can't open the xlsx files created by Excel 2007. I get the error in the above title box. Any help will be welcomed. Gervis.

    Cornfused15 pointsBadges:
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