Various data files

.cfa

ComProbe Analyzer captured data

.cfb

Disk Drill recovered data

.cfdg

Context Free design grammar

.cff

ENVI calibration factors

.cfg

RMCProfile data

.cfh

Fieldbus Foundation capabilities data

.cfk

Microsoft Developer Studio diagram file

.cfl

IMVU product data

.cfm

CorelDRAW font master file

.cfos6link

cFos IPv6 Link registration data

.cfospnet

cFos Personal Net registration key

.cfosspeed

cFosSpeed registration key

.cfp

C-Free project

.cfp

Cfont Pro open package

.cfs

Apple Safari file

.cfs

Nero Burning ROM file

.cfs

Apache Lucene compound data

.cfs

Zaplots CFS Console data

.cfu

Symantec Client Firewall policy data

.cfw

ChemFinder form

.cfwb

Chart Data File Format

.cfx

Magix Movie Edit Pro data

.cfx

Apache Lucene Java library

.cgd

CricketGraph data

.cgf

Asm Objasm data

.cgf

Family Tree Creator Deluxe data

.cgfiletypetest

CGFileType document

.cginc

Unity custom shader include

.cgl

CodeGuard error log

.cgn

PoldatDB data

.cgns

CFD General Notation System data

.cgp

Xilinx Core Generator System project

.cgt

Gold Parsing System compiled grammar table

.ch10

Irig 106 original recording data

.ch4

WSxM data

.ch5

VisIt data

.ch6

ZX-Paintbrush character

.ch8

ZX-Paintbrush character

.cha

Adobe Pagemaker kerning data

.cha

CLAN frequency sample

.cham

HAM Programmer Toolkit compiled HAM data

.chap

MP4 movie chapter

.chapters

ChapterGrabber data

.charmm

CHARMm chemical modeller input data

.chart

Feedback chart

.chat

Apple iChat data

.chatlog

Adium chat log

.chc

GFI MailEssentials patch data

.chck

Microsoft Exchange Server database check data

.check

CASTEP check binary data

.chem

WRF/CHEM chemical data

.chf

BS.Player chapter information

.chg

Microsoft Windows .NET logon data

.chi

Microsoft Help file index

.chi

Chinese localization language

.chi

CUHP input data

.chj

IBM SPSS interview cache

.chk

ScanDisk file fragment

.chk

3D Movie Maker interface data file

.chk

EpiData check file

.chk

Sophos intercheck file

.chk

SSConvert multilanguage video subtitle data file

.chk

Nvu data

.chk

PolySpace check results

.chk

Netgear firmware

.chksplit

Incredible Bee Archiver checksum data

.chl

Chromeleon channel RAW data

.chl

RealPlayer live channel

.chl

ConTEXT highlighter data

.chls

Charles session

.chm

ChemDraw chemical structure

.chm

SWAT soil chemical input data

.chm_1029

Microsoft installation data

.chn

Ethnograph data

.cho

Animation:Master choreography file

.chpscrap

Homepage Print document

.chq

Microsoft Help combined full-text search file

.chs

AMD ATI Radeon video driver file

.cht

ChartViewer dBASE interface

.chv

ChView star map

.chw

Microsoft Help HTML help general index

.chy

FileMaker Pro data

.ci

CitectSCADA data

.ci

Microsoft Windows content indexer catalog file

.ci

MathWorks PolySpace preprocessed code

.cia

Sheffield Dictionary data

.cia

Nintendo 3DS CTR importable archive

.cib

Concordance imagebase data

.cic

Hitachi Ladder Editor circuit comment

.cid

CallerID data

.cid

Navigator chart image description data

.cid

EL-CID data

.cida

xplorer² scrap document

.cie

CIE File Format file - color information

.cif

Colombo Ipermedia data

.cif

IUCr Crystallographic Information

.cif

pcAnywhere caller data

.cif

Corel Ventura Publisher information

.cig

Fastback Plus compressed backup

.cii

Caesar II data

.cik

Norton CleanSweep installation log file

.cilx

Volume Activation Management Tool data

.cim

GE CIMPLICITY HMI screen data

.cin

Microsoft Cinemania data

.cin

Calculux indoor project

.cin96lm

Microsoft Cinemania data

.cin96upd

Microsoft Cinemania data

.cio

SWAT master watershed data

.cir

PSpice circuit

.cis

CheckInbox data

.cis2

ProSteel document

.cit

ClockIt employee duty roster

.cit

Bibexcel data

.cit

ChessBase index

.citrixonline

GoToMeeting data

.citrixonline312

GoToMeeting data

.citrixonline393

GoToMeeting data

.civ5sln

Civilization 5 game data

.ciw

EndNote Web of Science export

.cix

Rational XDE data

.cjb

Autodesk Cleaner XL job

.cjd

Casio Ex-word dictionary file

.cjk

China Japan Korea to Latin Converter data

.cjl

DigitalHIWAY JPEG library

.ck1

CARE-S InfoWorks kjeldahl nitrogen detail file

.ckl

DISA STIG checklist

.ckp

Ingres Database checkpoint data

.ckp

Valise secure archive file

.ckt

Crocodile Clips data

.cl

CLwin project

.cl2

HY-TEK meet results file

.cl3

Easy CD Creator CD layout

.cl7

Free Clipboard Viewer data

.cla

Claymore file

.clam

Adobe InDesign dictionary file

.clas

Java class file

.classlist

SMART Notebook class list

.clb

Super NoteTab ClipBook template

.clb

Developer code librarian

.clb

Com+ catalog file

.clc

Microsoft Schedule+ 7 habits mission statement data

.clc

UltimaCalc data

.cld

Canon CD-Label Print label layout

.cld

Simply Calenders data

.cldcvt

CD-LabelPrint converted data

.cle

Icon Lock-iT locked file indicator

.clf

ListPro database

.clf

DesignWorks data

.cli

Client Management System customer data

.clib

CATS library data

.clim

Climate input

.cljx

Visual Studio Code data

.clk

ClickFORMS data

.clkb

Clicker book data

.clkp

Clicker palette

.clkt

Clicker template

.clkw

Clicker word bank data

.clkx

Clicker grid set

.cll

Crick Software Clicker data

.clm

magicJack call log

.clm

GenePattern CEL descriptor data

.clmlic

Clipboard Master license

.clo

SPSS chalboard file

.clog

SpreadMaster Client log

.clonecd

CloneCD registration data

.clonedvd

CloneDVD registration data

.clonedvdmobile

CloneDVD Mobile registration key

.cloudphotodb

Apple Photos database

.cloudphotodb-shm

Apple Photos database related data

.cloudphotodb-wal

Apple Photos database

.clpi

Blu-Ray clip AV stream data

.clpprj

CodeLobster PHP Edition project

.clr

FileMaker spelling dictionary

.clr

Vue color maps

.cls

Microsoft Visual C++ class definition

.cls

AIM AOL Instant Messenger data

.cls

LaTeX data

.clsj

Cyberlink PowerDVD data

.clt

DepoSmart transcript data

.clt

DepoSmart transcript data

.clu

Clusse node file

.clustal

CLUSTAL multiple sequence alignment format

.clv

Vbox current language file

.clv

Yamaha Cool Voices data

.clw

Grade Organizer project file

.clx

Adobe standard dictionary file

.clx

Rational XDE file

.cly

Sage ACT! data

.cm0

Kodak color measurements

.cm0012

Western Digital WD TV configuration file

.cm10

CaseMap case data

.cm3

CaseMap data

.cm4

ClipMate data file

.cm4

CaseMap case analysis file

.cm5

LexisNexis case analysis data

.cm8

CaseMap case data

.cma

Coach data

.cma

Filetopia collection manager data

.cma

OCaml library

.cmap

Hex Workshop Hex Editor color map

.cmbl

Logger Pro data file

.cmc

Comic Collector collection data file

.cmd

Summit Contact Manager contact database

.cmd

CP/M command

.cmdb

ANSYS CFX mesh database

.cmdf

CrystalMaker data file

.cmdt

Claris dictionary data

.cmdx

Clinical Map Document

.cmf

CaseMap file viewer definition

.cmh

PLINK test report

.cmi

Camomile interface data

.cml

Filetopia Collection Manager list file

.cml

ProWORX Nxt comment data

.cml

Integration Designer file

.cmm

Apple ColorSync CMM file

.cmm

Corel Multimedia Manager album information

.cmmcd

Camtasia Studio MenuMaker project

.cmn

Systems Management Server (SMS) update

.cmo

3DVIA Virtools behavioral server composition

.cmp

Microsoft Word for DOS user dictionary file

.cmp7

Araxis Merge comparison data

.cmr

CribMaster data

.cmrbk

CaseMap ReportBook definition file

.cms

TrialDirector case data

.cms

Windows Connection Manager service provider data

.cmt

Culturemetrics data

.cmt

e-Sword commentary data

.cmtx

e-Sword commentary data

.cmu

Andrew Toolkit CMU format

.cmw

Microsoft Office Custom Maintenance Wizard data

.cmx

Apple Viewer data

.cmx

Patch

.cmxl

Microsoft Pivot collection data

.cmy

CorelDRAW custom file

.cn

CNwin/MLwin account data

.cn

RMCProfile list file

.cn3

CN3D data

.cna

Catena project

.cnb

Pegasus Mail noticeboard mail stored message

.cnd

ControlDraw database

.cndf

Technomate CNDF Channel Editor compressed channel data

.cnf

KiSS paper doll set

.cnj

Acharya conjunct data

.cnk

Microsoft Dynamics GP chunk file

.cno

INet-Server error description

.cnp

Bentley CONNECT project

.cnr

Pegasus Mail mail message stored in Systemwide folder

.cnr

CRiSP harvest data

.cnt

Rational Rose 98 contents tab

.cnt

ENVI PPI count data

.cnv

WS_FTP Pro upload conversion data

.cnv

IBM DB2 conversion data

.cnv

FARSITE optional conversion data

.cnx

Pegasus Mail data

.cnx

IBM Rational XDE data

.co

Cult3D ActiveX player application

.cob

Creatures compiled object

.coc

Bibexcel data

.cod

Forecast Plus data

.cod

Microsoft Multiplan file

.cod

Forte Agent char map

.cod

Microsoft C compiler output

.cod

StatPac Gold data file

.cod

SWAT input control file

.cod

UUPC code definition table

.codecs

Video codec

.coe

Xilinx BRAM initialization

.cof

AutoDesk data

.cog

SolidWorks compiled log

.cok

INet-Server error report file

.col

Lotus Notes import column description data

.col

Microsoft Movie Maker collection data

.col

MPEG Audio Collection data

.col

Bibexcel data

.col

Embroidery Thread Color format

.col

Phase One session

.col

EA IFF color map

.col

HTML Help collection data

.col

Internet Color Wizard color scheme

.collab

Collaborate collaboration data

.collection

Adobe Bridge collection data

.colloquytranscript

Colloquy chat transcript file

.color

FontTwister color gradient file

.colors

SAM makelogo color data

.colpkg

Anki collection package

.comicstl

Comic Life stylesheet

.commanderDoc

Apple Qmaster file

.common

MATlab install file

.comms

Adobe Serial and Parallel Communications Protocol file

.comp

CodeWarrior Compiler data

.comparison

Merge comparison report

.comparison7

Araxis Merge comparison data

.complete

SendSafe deciphered e-message

.componentdiagram

Microsoft Visual Studio component diagram

.compositionmodel

Invantive Composition data model

.con

Corel WordPerfect concordance data

.con

Knowledgeware consolidation data

.con

Tree Professional Conifer creator data

.con

Cimagraphi trace data

.con

Petrosys contour data

.con

Canoco project

.con

OASIS montaj control data

.con

BI/Query connection data

.con

Acharya consonant data

.consis

Sciral Consistency data

.console

Microsoft Widows NT console data

.contacts

Contact

.contentproj

XNA Game Studio game content project

.contents

MAC OS X (macOS) data

.contentsofclipboard

WinXP Powertoy file

.cool

QB - Text Analyzer vocabulary list

.coords

Ribbons coords data

.cor

Insight II output coordinate file

.cor

CYANA DG cartesian coordinate data

.cor1

Corel Multimedia Manager data

.corelproject

Corel PhotoAlbum project file

.corelshow

Corel data

.corelshowproject

Corel file

.cos

Scarlett Expert System Compiler query data

.counter

NetObjects Fusion Components Bbscomp message

.country_history

HERE Maps for Android data

.cox

Bibexcel data

.coz

EFILive calibration data

.cp1

CARE-S InfoWorks phosphorus detail data

.cpa

Colasoft Capsa data

.cpaa

Adobe Captivate shared action data

.cpao

3Dize Cool Page objects counter data

.cpd

SmartWare compiled printer descriptor

.cpf

Framework Manager data

.cpf

CircuitCAM manufacturing process definition data

.cpf

CPF Editor contract preparation form submission

.cpf

iGO 3D buildings database

.cpf

ProWORX Nxt comment pointer and length file

.cpg

3dize Cool Page tutorials data

.cpi

AVCHD clip information file

.cpi

Lifo-Pro consumer price index data

.cpj

nVidia CUDA project

.cpk

Microsoft Driver Test Manager log

.cpl

TrialDirector concordance file

.cpln

KalOnline extended module

.cpmz

Miradi project file

.cpn

CPN Tools CPN model

.cpo

Corel Print House data

.cpo

ChessBase data

.cpq

Exam Essentials exam data

.cpr

ConTEXT project file

.cpr

Cubase project

.cpr

PV-WAVE compiled procedure

.cps

Classroom Performance System data

.cpsd

Adobe Photoshop data

.cpt2

M-Tron Pro library

.cpu

SiSoftware Sandra data

.cpuprofile

Google Chrome DevTools data

.cpy

3ds Max copy track data

.cqcn

ChimeraTool data

.cqe

Cumulus 6 data

.cqf

pcAnywhere command queue

.cqp

CompuQuilter pattern

.cqs

ConQuest search data

.cqt

MAIL.DAT container quantity data

.cr

Crack

.cr1

LoggerNet CRBasic source code

.cr3

Casio WK-1800 Keyboard registration data

.cr4

STABCAL data

.cr5

Survey Pro coordinate data

.cramfs

Elite Unzip data

.crash

Steam crash data

.crb

BigOven recipe database

.crc

Check data

.crc

Total Commander CRC data

.crd

Microsoft Windows cardfile database

.crd

CARE-S InfoWorks catchment runoff data

.crd

CHARTrunner dashboard

.crh

EN-CC truss geometry data

.cri

Crystal Reports data

.crk

Crack file

.crn

Tree Ring Data

.cro

CropWat data

.crom

Diablosport Predator Handheld Programmer data

.cron

Unraid OS Cron data

.crossdb

Mixvibes Cross collection data

.crp

Visual dBASE custom report

.crp

Cities: Skylines colossal raw asset data

.crpd

Microsoft Windows SignTool data

.crq

Blackboard course request data

.crr

Complete Genomics Analysis Tools CRR data

.crs

Corel WordPerfect conversion resource data

.crs

CompuTrainer chart screen

.crs3

OmniPage Lite data

.crt

Unix Crontab data

.crv

CorelDRAW Corel PHOTO-PAINT 10 custom gradients data

.crw

CADrail train terrain drawing

.crw

Crossword Genius data

.crypt_keystore

BlackBerry 10 data

.crz

FScruiser cruise record

.cs

Fractal Lab data parameter

.cs80v2

CS-80V data

.csa

Web Research documents archive and data

.csa

Agilent PNA code calset

.csaplan

SPSS analysis plan

.csattr

Microsoft Visual Studio attractor file

.csc

CrystalControl software screen file

.csc

CHARTrunner control chart style

.cscft

Colasoft Capsa data

.cscont

Capsa name table

.cscpflt

Colasoft Capsa project filter

.cscpro

Colasoft Capsa protocol

.cscproj

Colasoft Capsa project

.cscta

Capsa time analyze data

.csctf

Colasoft Capsa data

.csd

Bitstream Fontware

.csd

Csound Unified File Format

.csd

Casio electronic keyboard scale memory data

.csdate

ClickStamper date stamp data

.csdef

Microsoft Visual Studio data

.csdl

ADO.NET metadata

.cset

Cyber Security Evaluation Tool data

.csgen

ClickStamper data

.csh

Cubase offline processing information

.cshader

Microsoft Visual Studio text data

.csi

Campell Scientific EdLog program data

.csi

ContentServ CS EMMS Suite include data

.csi

CARE-S InfoWorks water quality data

.cslm

ZEIS CSLM bitmap graphics

.cslog

CodeSite log

.csmo

Free College Schedule Maker data

.csn

Adobe Dreamweaver snippet data

.csom

Eudora for Mac data

.csp

CorelDRAW service bureau profiler information

.csp

CHARTrunner pareto style

.cspl

Firefox data

.csplan

SPSS sampling plan

.cssr

CSD CSSR chemical modeller

.cst

Sequence Alignment and Modeling Software System (SAM) constraints data

.cst

SWAT weather forecast input data

.csv

Boso View Express railway structure

.ct

Cheat Engine cheat table

.ct

CTwin project

.ct0

Tajima TBF condition data

.ct1

Microsoft Systems Management Server proposed site control data

.ct3

CaseMap case analysis template

.ct3

Microsoft Systems Management Server (SMS) control file

.ct4im

CrazyTalk data

.ct7

CaseMap case analysis template

.ct8

CaseMap case template

.ctb

Custody Toolbox data

.ctb

NoteTab clipbar data

.ctbl

Xamine NSCL data

.ctde

Click to Disc data

.ctf

HP-95 comm program character translation data

.ctf

Lotus Symphony character translation file

.ctf

AVG Antivirus update control data

.ctf

CoffeeCup HTML editor table file

.ctf

Roxio PhotoSuite album file

.ctf

ECMG content transformation data

.ctg

BMC Software PATROL file

.ctg

ChessBase opening book data

.ctg

Canon catalog index

.ctg

WhereIsIt catalog group

.ctl

dBASE IV Aldus setup control data

.ctl

IBM Lotus Notes 5 thesaurus file

.ctl

LabVIEW control data

.ctl

Shape Pro control points data

.ctlg

elcoCAD catalog data

.ctm

FreeBSD content management data

.ctm

WhereIsIt catalog template

.ctmdpi

MRMC Markov Reward Model Checker matrix

.cto

Microsoft Visual Studio binary command table output

.ctoa

MediaForge data

.ctp

American Greetings CreataCard data

.ctp

BestAddress HTML Editor combined template

.ctproject

CrazyTalk Animator project

.ctr

CTRAN/W define data file format

.ctr

BrainVoyager QX contrast

.ctrl

Oracle WebLogic workshop controls

.cts

ABC programming language permanent location contents data

.ctsym

Microsoft Visual Studio command table output

.ctt

LabVIEW control template

.ctx

Pretty Good Privacy (PGP) ciphertext

.ctz

EFILive calibration tune data

.cu1

Photoline 4 curve data

.cu3

Photoline curves clut data

.cub

Cubloc Studio PLC information data

.cub

IBM Cognos PowerPlay data

.cub

SQL Server Analysis Services cube data

.cuce

CU-SeeM file

.cud

ChmUpDate data

.cudt

Claris user dictionary file

.cue

Microsoft Cue Cards data

.cuf

Turbo C Utilities form definition data

.cuj

Personal Backup data

.cul

IconForge ImageForge cursor library

.cul

Cubloc Studio PLC information

.cul

Petrosys culture data

.culist

PC Pr@xis update list

.current

WhatsApp Messenger encrypted message database

.current

Current version of any file

.cursemod

Curse Client mod

.cust

QuarkXPress for Mac data

.cut

BPM Studio cue points