File Extension M??

Determine which application is associated with .M?? files.

You can click here to run a free scan for M?? related errors.

About the M?? file type:

If Windows cannot find the appropriate program associated with .M?? files, then your registry may have errors. Check your Windows registry for errors (includes file association errors).

Ingres Modify Table/Index File (Computer Associates International, Inc.)

Windows cannot open M?? files?

When Windows cannot determine which application to use to open M?? files this can be caused because:

1. You do not have the appropriate program installed.
2. You may have a registry related error.