I know the one ms project file recovery mpp
Here http://www.oemailrecovery.com/project_recovery.html you may get to know with the material about given product
... work with MS Project files and will convert them back to a MS Project file format if ...
... view the file. I could recommend [MOOS Project Viewer][1] as a temporary solution for viewing the files ... to work on your project files.
[1]: http://moos-project-viewer.software.informer.com ...
