Excel file extension not valid xlsx

Describes the cause and action for error messages.


Error Message(English):
file extension not valid xlsx

Resolution


関連リンク


3 Ways to Fix “Excel cannot open the file '(filename)'.xlsx” Error
https://www.kerneldatarecovery.com/blog/3-ways-to-fix-excel-cannot-open-the-file-filename-xlsx-error・・・

Excel cannot open the file '(filename)'.xlsx' error | Stellar KB
https://www.stellarinfo.com/support/kb/index.php/article/resolve-error-excel-cannot-open-the-file-fi・・・

[FIXED] Excel Cannot Open the File Because The Extension Is Not Valid
https://www.easeus.com/file-recovery/excel-cannot-open-the-file.html

How to solve excel cannot open the file ... because the file format or ...
https://www.youtube.com/watch?v=OIBYaGeXU_U


https://www.youtube.com/watch?v=OIBYaGeXU_U

How To Resolve 'Excel Cannot Open The File '(Filename)'.Xlsx' Error
http://www.repairmsexcel.com/blog/how-to-fix-excel-cannot-open-the-file-filename-xlsx-error-of-ms-ex・・・

Error message when you try to open a workbook that you receive in an ...
https://support.microsoft.com/en-us/help/928979/error-message-when-you-try-to-open-a-workbook-that-y・・・

Fix Excel Cannot Open the File 'file.xlsx' Because the File Format Is ...
https://www.systoolsgroup.com/updates/fix-excel-cannot-open-the-file-xlsx-error/

excel cannot open the file .xlsx because the file format or file extension ...
https://community.dynamics.com/gp/f/32/t/158771

Excel cannot open the file 'file.xlsx' because the file format - IT Answers
https://itknowledgeexchange.techtarget.com/itanswers/excel-cannot-open-the-file-file-xlsx-because-th・・・



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