What Is a *.dcm File Extension?

A *.dcm file extension can refer to one of three files types: a DICOM image file, a DiskCatalogMaker catalog file or a DCM audio file. DiskCatalogMaker is a program for Macs by Fujiwara Software, while a DICOM image is a standard imaging format used in the medical field.

Most DCM files are DICOM images, with DICOM standing for Digital Imaging and Communications in Medicine. It has become a standard imaging format in the medical domain and includes the images creates by tests, such as CT scans, MRIs, X-rays and ultrasounds.

The DICOM image standard was developed by the National Electrical Manufacturer's Association for the medical industry. The images are linked with patient data. The standardized format allows physicians and hospitals to transfer test results across networks between systems running DICOM software. DICOM files support TCP/IP protocol to share data.

DICOM image files with a *.dcm extension can be viewed by using a variety of different software applications depending on the system in question.

DiskCatalogMaker *.dcm files are created by the program designed for Macintosh computers, a cataloging and organization application. The *.dcm file contains a database of files encompassing several disks. The catalog may be searched by name or other attribute.