Windows cannot open OD2 files?If Windows is unable to open file extension .OD2 you may have registry related errors or may not have the appropriate program installed. We strongly recommend that you
run a free registry scan. Appropriate program:
OD2 is a file extension associated with Omnis5 Database files. Incorrect associations are the cause of many file extension errors.
Scan your system to prevent, identify and repair OD2 file extension association errors.