MacMolecule data
File type: Various data file
An mcm file contains data used by MacMolecule, a molecular graphics program for Macintosh computers.
File type category:
Various data file
Date updated: October 16, 2026
Record marked as obsolete and not updated for a long time.
MacMolecule is a 3D molecular graphics rendering program for Macintosh computers. The mcm file extension identifies its macromolecular data files.
These files belong to the obsolete MacMolecule software and may contain molecular data used for displaying or working with three-dimensional molecular models. The MIME type is chemical/x-macmolecule.
Open an mcm file with MacMolecule on a compatible Macintosh system. The format is obsolete, so the original software may be difficult to run on current computers.
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