Recover XLS file that won't open

Question

Microsoft

Hello!
There is a file *.xls, which lies on the Linux server (ext4) and with which employees work.
So two days ago the file stopped opening.



Used Microsoft Office 2010
Can't open on any host.
Standard Open and Repair does not help.

Help!?!
Thank you!

Answer 1

send me to see what can be done [email protected]

Answer 2

sent

Answer 3

I don't know if it will help or not, but it's worth a try.
online.officerecovery.com/ru/

Answer 4

OpenOffice opened such files for me, after resaving and MSOffice coped

Answer 5

Is there only one such file? There were no ransom demands for the files, for an hour? Was there a mass renaming of files?