All about DCM Files

The DCM file type is primarily associated with Photoshop.

DCM	File extension: DCM
	File type:	image

What is a DCM file?

DCM files mostly belong to Photoshop by Adobe. A DCM file usually contains a 2D or 3D image saved in DICOM raster image format. This DCM file is used to store and distribute medical images such as those from ultrasound, MRI, and CT scans. Additional information such as patient's information can also be embedded alongside the image in the same file. Pixel data stored in this DCM file may be compressed in various formats including RLE, ZIP, and lossless/lossy JPEG. DCM is also the filename extension of a component library file used by kiCad electronic schematic design and automation software. 3D Slicer biomedical imaging program saves geometry data in a DCM file. Address book data and machine settings used by Canon's imageRUNNER multifunction digital copiers, can be exported as a device configuration information file that has DCM filename extension. DiskCatalogMaker disk management program saves its catalog database in a DCM file.

How to open DCM files

You need a suitable software like Photoshop to open a DCM file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your DCM file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a DCM file directly in the browser:. Just drag the file onto this browser window and drop it.

Online DCM File Viewer

Choose your .dcm file to view this image

or drag and drop it here

Online File Viewer

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How do you convert DCM files to JPG, PNG, SVG, PDF, ...

You can convert DCM files using our online DCM file viewer (powered by Convert.Guru):

To do this, click the button "Choose your .dcm file to view this image" on this page.
Your DCM file will then be displayed in the browser.
Now click on "Save as..." at the top of the page.
Then choose the image format (e.g. JPG, PNG, TIFF, PDF, ...) you want.
Download the converted file.

Programs that open and convert DCM files:

Photoshop by Adobe
See the previous paragraphs to learn more about the main application. DCM files are often referred to as Photoshop raster images because this type of file is primarily created or used by this software.
3D Slicer (3D geometry) by BWH and 3D Slicer contributors
3D Slicer is an open source 3D software package used for biomedical image computing and research. It saves 3D geometry in a DCM file written in XML format. This file format is classified as 3D Image.
AutoBackup (backup information) by Memeo
AutoBackup is a discontinued file backup program for Windows. It uses a DCM file that contains important information about a file which is backed up using this program. Information stored in the file can include the path, creation date and time of the file, and the checksum of the file. This file format is classified as Backup.
Awave Studio (music/module) by FMJ
Awave Studio is a versatile audio software which may be used for the recording, mixing, extraction, and conversion of various audio formats. It can play music and modules saved in DCM files. This format is obsolete. This file format is classified as Audio.
DiskCatalogMaker (catalog database) by FUJIWARA
DiskCatalogMaker is simple and fast disk management and disc cataloging program for macOS. It saves a file catalog containing a database of files and their locations in a DCM file. This file format is classified as Database.
DiskCommunicator (compressed disk image) by Robert Puff
DiskCommunicator is an obsolete disk compression/management program for Atari operating system. DCM is this program's native format for storing a compressed disk containing an AtariOS file system. This file format is classified as Disk Image. Related links: Programs for the Classic Atari, Atari Disk Image FAQ
KiCad (component library) by KiCad Developers
KiCad is an open-source software suite for designing electronic schematics and printed circuit boards (PCBS). It saves a component library in a DCM file. This file format is classified as CAD.
My Book (backup tracking data) by Western Digital
My Book is the computer program bundled with My Book desktop storage units which are used to backup entire hard disks. The program uses a DCM file to track changes in text files. This file format is classified as Data.
Remote UI (device configuration) by Canon
Remote UI is a web application that is used to manage imageRUNNER multifunction copiers/printers. This app is locally available (without internet connection). It can be used to export address book data and the machine's settings as a device configuration information (DCM) file. This file format is classified as Settings. Related links: Importing/Exporting the Setting Data, Starting Remote UI
XnView (image) by XnSoft
XnView is a free, cross-platform image manipulation program available for Windows, macOS, Linux and mobile platforms. You can open, edit, and export DCM images using XnView. This file format is classified as Raster Image. Related links: DICOM File Format, DICOM

DCM file format:

If you can determine the file format, the associated program can also be determined. The initial characters of a file are called signature, sometimes also referred to as "magic bytes". The signature can be used to infer the file format. Frequently, however, one file extension is used by different programs for different file formats, and one file format for different file extensions. If there are problems opening a file, you must first determine the file format used. Our analysis of the DCM files produces the following result:

The DCM extension is very commonly used. This DCM file itself is among the most popular common file types and primarily uses a special format that can be read by various programs. However, the following two file formats are common:

90% of all DCM files belong to DICOM medical imaging bitmap. The files are using the common file format DICOM. DICOM is short for Digital Imaging and Communications in Medicine. DICOM files are used to store, exchange, and transmit medical images from radiography, ultrasonography, computed tomography (CT), magnetic resonance imaging (MRI), and radiation therapy, but also personal data about the patient. The contents of these files cannot be read by a human; only a computer program can interpret the data. Most of these files are 130 KB to 13 MB in size. The file type was developed 10 years ago and is still in use today. Several words can almost always be found in the files, e.g. DICM. These files are attributed to dslice, image, view, dicom, export, inst, original and ighbb.
5% of all DCM files internally utilize the XML file format. The Extensible Markup Language (XML) is a simple text-based format for representing structured information: documents, webpages, data, configuration, books, transactions, invoices, and much more. XML defines a set of rules for encoding documents in a format that is both human-readable and machine-readable. These files contain text and words, not binary data. Most of these files are 600 bytes to 740 bytes in size. The keywords , <?xml version="1.0" encoding="utf-8" standalone="yes"?>, <FileInstance>, name and Users are typical for these files. Files like these are about person-related data.

All other DCM files (5%) have no uniform format, the following 5 formats can be found: KiCad Documentation and GZIP. They are often associated with scan, upper, contrast, dicomdir, xray, preparation, puthukudi, josedith, sreejith, forearm, mrbrain, patient, kumaya, sample, alcal, slice or bite. You can get all the details of your DCM file by dragging it onto this page or by clicking the button "Choose your .dcm file to view this image" above.

Technical Data for DCM File Extension

File classification:

Raster Image

Related files:

dcim, dmc, dicom, zip, dsm, dicomdir, dcn, cdm, dicm, ima, webp, im000001, jpg, im_00001, dcm0, dic, i0000002, im000000, mri, rar, tiff, tif, pcx

Related links:

Irfanview, DICOM File Format, DICOM

Mime type:

application/dicom, image/dicom-rle

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: GraphicsConverterPro.dcm, FileType: Dicom 3, AppName: GraphicsConverter-reg
EXEFile: GraphicsConverter.exe

ProgramID: ICPlus, AppName: ImageEditor Plus
EXEFile: ICPlus.exe

ProgramID: IrfanView.DCM, FileType: IrfanView DCM File, AppName: IrfanView

ProgramID: konvertor
EXEFile: %ProgramFiles%\Konvertor\Konvertor.exe %1

ProgramID: TheGIMP20
EXEFile: %ProgramFiles%\GIMP-2.2\bin\gimp-win-remote.exe %1

ProgramID: XnView.Image
EXEFile: %ProgramFiles%\XnView\xnview.exe %1

ProgramID: Outlook Express Mail Box
EXEFile: %ProgramFiles%\MailNavigator\MailNavigator.exe open %1

ProgramID: TheGIMP20
EXEFile: %ProgramFiles%\GIMP-2.0\bin\gimp-win-remote.exe gimp-2.2.exe %1

ProgramID: IrfanView.dcm
EXEFile: %ProgramFiles%\IrfanView\i_view32.exe

ProgramID: IrfanView.dcm
EXEFile: %ProgramFiles%\IRFANV~1\i_view32.exe

ProgramID: Dicom
EXEFile: %ProgramFiles%\DICOMW~1\DICOMW~1.EXE

ProgramID: IBM DCM.ImageFile
EXEFile: %ProgramFiles%\IBM PerfectPhoto\dpe.exe

ProgramID: CAPE.DrawFile
EXEFile: %ProgramFiles%\CAPE.EXE

ProgramID: GIMP-2.0-dicom
EXEFile: %ProgramFiles%\Gimp-2.0\bin\gimp-2.6.exe

Show all 14 listings To Top

a dcm image is a special file format by Adobe and should only be edited and saved with the appropriate software.

How to solve problems with DCM files

Associate the DCM file extension with the correct application.
Update your software that should actually open images. Because only the current version supports the latest DCM file format. Search, therefore, e.g. on the Adobe manufacturer website after an available Photoshop update.
To make sure that your DCM file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .DCM file online - secure, fast, and no downloads needed.