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abdawad09's avatar
abdawad09
Copper Contributor
Jul 06, 2023

Excel cannot be open because the file format or file extension is not valid

Hi All,

 

There is an excel.xlsx file in my computer. That file was deleted by me and later recovered by a tool that recovers deleted files.

There is no error in the last modified date and the size of the file is correct!!!

The below error message appears every time I try to open the file.

 

 

Please find below links for download the Excel Sheet

https://we.tl/t-ZiRoKlbPdl

 

 

Best Regards,

 

excel
office 365

4 Replies

    • HansVogelaar's avatar
      HansVogelaar
      MVP
      Jul 07, 2023

      abdawad09 

      The contents of the file have completely been overwritten with NUL bytes:

      So there is nothing you can do with this file. Do you have a backup copy of the workbook from before the problem?

      • abdawad09's avatar
        abdawad09
        Copper Contributor
        Jul 07, 2023
        I have a copy, but it is not up-to-date
        Is there a way to unlock the damaged one?

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