The DCM extension is also used by themacOSDiskCatalogMaker program as the DiskCatalogMaker Catalog format.

Look for a file calledsetup.exeor similar, or look through any documentation given to you with the data.

View My Scansis a similar online DICOM viewer that supports single files as well as ZIP archives.

Picture of a brain scan

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DICOM files may also open withIrfanView,Adobe Photoshop, andGIMP.

If you’re still having trouble opening the file, it might be because it’s compressed.

macOS DiskCatalogMaker Catalog files that are saved using the DCM extension can be opened usingDiskCatalogMaker.

If there’s a series of images, it also supports saving them to a video file in theWMVorAVIformat.

Still Can’t pop crack open the File?

DCO files are virtual, encrypted disks that are used withSafetica Free.

The same can be said for similar file extensions like DIC, though this one can be tricky.

If your file doesn’t open as a DICOM image, put it through afree text editor.

It might include dictionary related terms that point to the file being in the Dictionary file format instead.

Frequently Asked Questions