| cml | CryptoMailer Encrypted File |
| cml | Filetopia Collection Manager List |
| cml | Integration Designer Data |
| cmlast | CET Designer Last Drawing Backup |
| cmlock | CET Designer Lock Data |
| cmm | ColorSync Utility CMM Data |
| cmm | Corel Multimedia Manager v7 Album |
| cmmf | CrystalMaker 7-9 Molecule Data |
| cmmtheme | CleanMyMac Theme Data |
| cmn | Microsoft SMS Collection Membership Update |
| cmo | 3DVIA Virtools Behavioral Server Composition |
| cmo | Visual3D C-Motion Output Data |
| cmo3 | Live2D Cubism 3 Model Data |
| cmod | Celestia Model |
| cmp | CaseMap Plugin |
| cmp | CorelDraw Postscript Printer Header Data |
| cmp | General CADD Component Data |
| cmp | Giza Specifier Color Map |
| cmp | Heliosoft Seismaster Colormap File |
| cmp | KiCad Parts-to-module Assignments Data |
| cmp7 | Araxis Merge Comparison Data |
| cmp7 | Araxis Merge Saved Comparison Data |
| cmpck | CET Designer Pack and Go Data |
| cmpd | Chemnum Compounds Data |
| cmphs | CET Designer Photo Series Data |
| cmpkg | Chat Mapper Package |
| cmpkg | Craftersmine Packager Package |
| cmplib | Altium Designer Component Library |
| cmpm | NucleoView Plot Manager Data |
| cmpp | NucleoView Post Processing Data |
