Notes about the CBMV file extension:
Incorrect file associations could be the result of underlying issues within your PC system. As such it is highly recommended to scan your PC for invalid registry entries, unused processes and other unfavourable system settings to identify slowdown issues.
The CBMV file type is primarily associated with 'Comic Book Millennium' by Beaver Valley Software Company. Comic Book Millennium is a collection of tools a user to track their comic book collection.