COMD-Mac-File-Type
COMFYCAKESSAVE-MS-Purble-Place-Saved-Game-Microsoft-Corporation
COMICDOC-Comic-Life-Document
CO-Microsoft-compressed-COM-file
COMMANDLINE-Commandline-Powertoy-File
COMMON-MATLAB-Install-File-The-MathWorks-Inc
COMMON-Unix-script-file
COMMS-Adobe-Serial-and-Parallel-Communications-Protocols-Specification
COMMS-Unknown-Apple-II-File
COMPANY-Chris-Sawyer-s-Locomotion-Company-Owner-Face-Atari-Interactive-Inc
COMPARISON-Merge-Comparison-Report-Araxis-Ltd
COMPAT-Likely-a-Text-File
COMP-CodeWarrior-Compiler-file
COMPO-DAZ-3D-Carrara-Pro-7-or-8-temporary-file
COMPONENTDIAGRAM-Microsoft-Visual-Studio-component-diagram-file
COMPONENT-Mac-OS-X-System-Component
COMPOSITEFONT-Composite-font-file
Compressed-Archive-File
_-Compressed-Archive-File
COMPRESS-MS-Compress-5-0-File-Format
CO-MS-compressed-COM-decompress-with-UNPACK-EXE
CONF-Configuration-File
CONFIG-CRiSP-Harvest-config-file
CONFIG-CRiSP-Harvest-File
CONFIG-NET-application-configuration-information
CONFIG-Rockbox-Configuration-File-The-Rockbox-Crew
CONFIG-SWISH-E-configuration-file
CONFIG-Unknown-Apple-II-File
CONFIG-WatchDirectory-task-information-file
CONF-IRC-Related-Configuration-File
CONF-Linux-Configuration-File
CONF-Palace-Server-server-configuration
CONF-Psitree-router-configuration
CONF-Unix-Configuration-File
CONF-Unknown-Apple-II-File
CON-Simdir-Configuration-file
CONSOLE-Unknown-Apple-II-File
CONSOLE-WinNT-Console-File
CONTACT-Microsoft-Windows-Vista-contact-file
CONTACT-Windows-Contact-Information-File
CONTACT-Windows-Vista-Contact-File-Microsoft-Corporation
CONTENTSONCLIPBOARD-Contents-on-Clipboard-Powertoy-File
CONTMP-Conjure-Template-chemical-modeller-output-file
CONTOUR-Contour-Mortgage-loan-file-format
CONTROL-HEC-HMS-Control-specifications-data-Header
CONTROL-Unknown-Apple-II-File
CONV-Stylus-Studio-Data-Conversion-Template
COO-AutoCAD-Bounding-Coordinates-Cookie-file
COO-Cookie-File
COO-Fabasoft-Components
TechTarget file types