Notes about the CMMF 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 CMMF file type is primarily associated with 'CrystalMaker' by CrystalMaker Software Ltd.. CrystalMaker is a program for building, displaying and manipulating crystal and molecular structures.