DICOM is the acronym for Digital Imaging and Communications in Medicine and pertains to the field of Medical Informatics. DICOM is the combination of file format definition and a network communications protocol. DICOM uses the .DCM extension. .DCM exists in two different formats i.e. format 1.x and format 2.x. DCM Format 1.x is further available in two versions normal and extended.
You can also search many other file formats. Please see the complete list below.