Excel is not opening

Essayez la méthode manuelle:

https://www.wikihow.com/Recover-a-Corrupt-Excel-File

https://support.office.com/en-us/article/repair-a-corrupted-workbook-153a45f4-6cab-44b1-93ca-801ddcd4ea53

https://www.stellarinfo.com/repair-excel-file.php 

This seems your Excel file is corrupted, and this is the reason why you are unable to open the Excel file. So here it is recommended to move the Excel file to another drive, folder or server, or else save the Excel file as another format. Hope doing this works for you to open the corrupted Excel file