.dcm file: how to open it on Windows

21 Windows apps register the .dcm extension. Install one of them to open the file with a double-click.

About the format

Format: DICOM image
Abbreviation: DICOM · Digital Imaging and Communications in Medicine
MIME type: application/dicom
PRONOM identifier: fmt/574

Format data: freedesktop.org shared-mime-info and PRONOM (The National Archives, UK).

darktable
Photography workflow application and raw developer

Open source 5.6.2 85.7K ↓ ★ 13.3K
IrfanView
Fast and compact image viewer and converter

Free 4.76 2.9M ↓
XnView MP
Professional Image Viewer & Photo Management

Proprietary 1.12.2.0 436.9K ↓
Imagine
Imagine Freeware Image & Animation Viewer for Windows

Free 2.7.2 2.4K ↓ ★ 121
RadiAnt DICOM Viewer
A PACS DICOM viewer for medical images designed to provide you with a unique experience.

Proprietary 2026.1 18.8K ↓
GIMP
GIMP is an acronym for GNU Image Manipulation Program. It is a freely distributed program for such tasks as photo retouching, image composition and image authoring.

Open source 2.10.38
GIMP
GIMP is an acronym for GNU Image Manipulation Program. It is a freely distributed program for such tasks as photo retouching, image composition and image authoring.

Open source 3.2.6.0
Rust DICOM Station
Fast, robust DICOM / RT DICOM viewer in pure Rust (CT/MR volumes, RTSTRUCT, RTDOSE, RTPLAN) with a three-view MPR layout

Open source 0.11.7 ★ 11
PicPick
All-in-one design tool for everyone

Free 7.6.1
Sante DICOM Viewer Pro
Sante DICOM Viewer Pro is a professional DICOM viewer, anonymizer, converter, PACS client, mini PACS server, patient CD/DVD burner (with free DICOM viewer) and much more.

Proprietary 14.2.7
Sante DICOM Editor
Sante DICOM Editor is a professional DICOM editor, 2D/3D viewer, anonymizer, converter, dicomizer, PACS client, mini PACS server, patient CD/DVD burner (with free DICOM viewer) and much more.

Proprietary 10.2.7
MicroDicom DICOM Viewer
Free DICOM viewer for primary processing and preservation of medical images in DICOM format.

Proprietary 2026.4
Sante PACS Server Free
Sante Free PACS Server is a DICOM 3.0 compliant PACS server and an HTTP (web) server for DICOM files that offers high performance and reliability completely free of charge!

Proprietary 1.6.6
Sante DICOM Viewer Lite
Sante DICOM Viewer Lite is a high quality, full-featured, completely free 2D/3D DICOM Viewer.

Free 5.0.9
Sante PACS Server
Sante PACS Server is a DICOM 3.0 compliant PACS server, a Modality Worklist server, an HTTP (web) server for DICOM files and a CD/DVD Burning and Printing server that offers high performance and reliability at an affordable price.

Proprietary 4.2.5
Sante PACS Server PG
Sante PACS Server PG is a DICOM 3.0 compliant PACS server, a Modality Worklist server, an HTTP (web) server for DICOM files and a CD/DVD Burning and Printing server that offers high performance and reliability at an affordable price.

Proprietary 4.2.5
XnView
Best Photo Viewer, Image Resizer & Batch Converter for Windows.

Proprietary 2.52.7
KiCad Lite EDA
KiCad is a free software suite for electronic design automation. It facilitates the design of schematics for electronic circuits and their conversion to PCB designs.

Open source 5.1.9
PicPick
All-in-one design tool for everyone

Free 8.0.0-beta5
Objective Trapeze
Software purpose-built for planning and building teams. All the tools you need to assess, compare, annotate and approve digital plans.

Proprietary 26.10.28140.1
IsoBuster
The Ultimate Data Recovery Software

Proprietary 5.8