Sampat Kumar
Ansys Employee

Hi Michaela,
Please follow the following link that will help you to recover the corrupt file, and please let me know if you are able to open it or not.

https://ansyskm.ansys.com/forums/topic/how-to-restore-the-corrupted-project-in-ansys-workbench/
https://www.padtinc.com/2013/07/16/corrupt-ansys-mechanical-database-you-might-be-able-to-recover/

Regards,
Sampat