List of file extensions begins with C

You can choose one of the following extensions which begin with the letter 'C':

Extension	Popularity
.c	Very High
.c++	Low
.c13	Low
.c2d	Very High
.c2r	Very High
.c2u	Low
.c32	Low
.c3l	Low
.c4b	Low
.c4d	Low
.c4f	Low
.c4g	Low
.c4i	Low
.c4k	Low
.c4l	Low
.c4m	Low
.c4p	Low
.c4s	Low
.c4u	Low
.c4v	Low
.c64	Low
.ca	Low
.ca1	Low
.ca2	Low
.ca3	Low
.cab	Very High
.cache	Low
.cache-3	Low
.cachedump	Low
.caction	Low
.cae02	Low
.caf	Very High
.caff	Low
.cag	Low
.cah	Low
.cakemaniasavedgame	Low
.cakewalkstudioware	Low
.cakewalkwindowlayout	Low
.cal	High
.calib	Low
.calibz	Low
.caliperskin	Low
.cals	Medium
.calx	Low
.cam	Very High
.cam360	Low
.camelsounds	Low
.caml	Low
.camm	Low
.camp	Very High
.camproj	Medium
.camrec	Medium
.camthtr	Low
.camv	Low
.cannonblastsavedgame	Low
.cap	Very High
.caps	Low
.car	Low
.cas	Low
.cat	Very High
.cat3dexpoperation	Low
.catalog	Low
.catanalysis	Low
.catcatalog	Low
.catdrawing	Low
.catmaterial	Low
.catpart	Low
.catprocess	Low
.catproduct	Low
.catscript	Low
.catsettings	Low
.catshape	Low
.catsystem	Low
.catvbs	Low
.catwashsavedgame	Low
.ca_	Low
.cb	Low
.cb2	Low
.cb7	Medium
.cba	Low
.cbf	Low
.cbl	Low
.cbo	Low
.cbp	Medium
.cbproj	Low
.cbr	Very High
.cbt	Medium
.cbw	Low
.cbx	Low
.cbz	Very High
.cc	Very High
.cca	Low
.ccc	Low
.ccd	Very High
.ccf	High
.ccgame	Medium
.cch	Low
.cci	Low
.ccip	Medium
.ccl	Low
.ccproj	Low
.ccpuni	Low
.ccpunizs32	Low
.ccr	Low
.ccs	Low
.cct	Low
.ccu	Low
.ccx	Medium
.ccz	Low
.cc~	Low
.cd	Very High
.cd5	Low
.cda	Very High
.cdadj	Low
.cdb	Low
.cdc	Very High
.cdda	Very High
.cdf	Very High
.cdg	Low
.cdi	Very High
.cdk	Low
.cdl	Low
.cdlx	Medium
.cdm	Low
.cdmp	Very High
.cdo	Low
.cdoc	Low
.cdr	Very High
.cdrom	Low
.cdrt	Low
.cds	Low
.cdt	Medium
.cdu	Low
.cdw	Low
.cdwlxml	Low
.cdx	Very High
.cdxl	Low
.cdxml	Very High
.cedf	Low
.cedprj	Medium
.cekey	Low
.cel	Very High
.cell	Low
.cells	Low
.celtx	Low
.celx	Low
.cem	Low
.ceph	Low
.cept	Low
.cer	Very High
.cert	Low
.cesf	Low
.cetrace	Low
.cetrainer	Medium
.cex	Low
.cezeokey	Low
.cf	Low
.cf1	Low
.cf2	Low
.cf3	Low
.cf7	Low
.cfa	Low
.cfc	High
.cfexe	Low
.cff	Medium
.cfg	Very High
.cfm	Very High
.cfml	Low
.cfn	Low
.cfo	Low
.cfos6link	Low
.cfospnet	Low
.cfosspeed	Low
.cfp	Low
.cfs	Low
.cft	Low
.cfx	Low
.cfxxe	Low
.cg	Medium
.cgb	Low
.cgf	Low
.cgi	Low
.cgl	Low
.cgm	High
.cgrp	Low
.ch	Low
.ch4	Low
.ch6	Low
.ch8	Low
.cha	Very High
.challenge_plain	Low
.chameleongemssavedgame	Low
.changedb	Low
.chapters	Low
.chat	Low
.chd	Low
.che	Low
.check	Low
.chesstitanssave-ms	Very High
.chf	Low
.chk	Very High
.chl	Low
.chls	Low
.chlsj	Low
.chlsx	Low
.chm	Very High
.chmprj	Low
.chm_aq	Low
.chp	Low
.chproj	Low
.chpscrap	Low
.chr	Medium
.chs	Low
.cht	Low
.chuzzledeluxesavedgame	Medium
.chw	Low
.chx	High
.chy	Low
.ch_	Low
.ci	Low
.cida	Low
.cif	Very High
.cil	High
.cilx	Low
.cin	Very High
.ciso	Low
.cit	Low
.citrixonline	Low
.citrixonline312	Low
.citrixonline393	Low
.citrixonline408	Low
.citrixonline445	Low
.citrixonline491	Low
.civ4replay	Low
.civ4savedgame	Low
.civ4worldbuildersave	Low
.civ5map	Low
.civ5proj	Low
.civ5sln	Low
.civbeyondswordreplay	Low
.civbeyondswordsave	Low
.civbeyondswordwbsave	Low
.civwarlordsreplay	Low
.civwarlordssave	Low
.civwarlordswbsave	Low
.ciw	Low
.ckz	Low
.cl2	Low
.cl3	Low
.cl5	Low
.cl7	Low
.cla	Low
.clas	Low
.class	Medium
.classdiagram	Medium
.clb	Low
.cld	Low
.cli	Low
.clj	Low
.cljs	Low
.cljx	Low
.clk	Medium
.clm	Low
.clm2	Low
.clmlic	Low
.clms	Low
.clo	Low
.cloe	Low
.clojure	Low
.clonecd	Low
.clonedvd	Low
.clonedvdmobile	Low
.clp	Very High
.clr	Very High
.cls	High
.clsj	Low
.clt	Low
.clx	Very High
.cly	Low
.cm1	Low
.cm10rcmlayoutevent	Low
.cm10rcmlayoutevent.1	Low
.cm10rcmresourceloader	Low
.cm12rcmlayoutevent	Low
.cm12rcmlayoutevent.1	Low
.cm12rcmresourceloader	Low
.cm2	Low
.cm3	Low
.cmap	Low
.cmb	Low
.cmbl	Low
.cmc	Low
.cmcsend	Low
.cmd	Very High
.cmdb	Low
.cmdsh	Low
.cmd_aq	Low
.cme	Low
.cml	Low
.cmm	Low
.cmmp	Medium
.cmmtpl	Medium
.cmp	Low
.cmp7	Low
.cmpgn	Low
.cmr	Low
.cms	Low
.cmt	Low
.cmx	High
.cmz	Low
.cm_	Low
.cnf	Very High
.cnk	Low
.cns	Low
.cnt	Low
.cnv	Low
.cn_	Low
.co	Low
.cob	Low
.cod	Very High
.cof	Low
.coffee	High
.coffeerushsavedgame	Low
.coffeetycoonsavedgame	Low
.col	Very High
.collapsesavedgame	Low
.collection	Very High
.colorproject	Low
.colpkg	Low
.com	Very High
.com%252fa%253ff%253d2142030097%2526pn%253dcomcast%2526p%253dc	Low
.com%252fa%253ff%253d2142030098%2526pn%253dcomcast%2526p%253dc	Low
.com%2f%3fp%3dnews	Low
.com&adsafe=adultsonly&num_radlinks=15&dt=1299879193548&u_tz=6	Low
.com,s=98980_2,s	Low
.com,s=99301_2,s	Low
.com-googlemail#database	Low
.comfycakessave-ms	Very High
.comicdoc	Low
.comicstl	Low
.comictpl	Low
.command	Low
.commandline	Low
.comparison7	Low
.componentdiagram	Medium
.compositefont	Very High
.com_	Low
.com_0	Low
.com_aq	Low
.com_bookmarks	Low
.com}-_jailbait_pics	Low
.con	Low
.conf	Very High
.confd-journal	Low
.config	Very High
.configprofile	Low
.configsettings	Low
.consis	Low
.contact	Very High
.contacts	Low
.container	Low
.content	Low
.contentsonclipboard	Low
.controlpanel	Low
.cookiedb	Low
.cool	Low
.copyright	Low
.cord	Low
.core	Low
.corelextension	Low
.corelproject	Low
.corelshow	Low
.corelshowproject	Low
.cov	High
.coverage	Very High
.coveragexml	Very High
.co_	Low
.cp	Medium
.cpbitmap	Low
.cpc	Low
.cpdf	Low
.cpe	Medium
.cpf	Low
.cpg	Low
.cph	Low
.cpio	Very High
.cpj	Low
.cpk	Low
.cpl	Very High
.cpl_aq	Low
.cpm	Low
.cpp	Very High
.cpq4	Low
.cpq5	Low
.cpr	Low
.cprr	Low
.cps	Low
.cpsd	Low
.cpt	High
.cptl	Low
.cpx	Low
.cpy	Low
.cp_	Low
.cqe	Low
.cqf	Low
.cr	Low
.cr2	Very High
.cr3	Low
.cramfs	Low
.crash	Low
.crazychickensoccersavedgame	Low
.crc	Low
.crceph	Low
.crd	Very High
.crdownload	Low
.crds	Very High
.crec	Low
.crf	Low
.crio	Low
.crl	Very High
.crmlog	Low
.cro	Low
.cron	Low
.crp	Low
.crpano	Low
.crpd	Low
.crplugin	Low
.crs	Low
.crt	Very High
.crtx	Very High
.crt_aq	Low
.crv	Low
.crw	Very High
.crwl	Low
.crx	Very High
.cryengine	Low
.cryproject	Low
.crysisjmsf	Low
.crysispsf	Low
.crz	Low
.cs	Very High
.cs1	Medium
.cs80v2	Low
.csa	Low
.csaplan	Low
.csb	Low
.csc	Low
.cscfg	Low
.cscft	Low
.cscnp	Low
.cscont	Low
.cscpflt	Low
.cscpkt	Low
.cscpro	Low
.cscta	Low
.csctf	Low
.csd	Low
.csdef	Low
.csdproj	High
.cse	Low
.csf	Very High
.csg	Low
.csh	Very High
.cshader	Medium
.cshtml	Very High
.csi	Low
.csk	Low
.cskin	Low
.csl	High
.cslog	Low
.csm	Low
.cso	Low
.csp	Medium
.cspkg	Low
.cspl	Low
.csplan	Low
.csproj	Very High
.csr	Low
.css	Very High
.csv	Very High
.csv.gz	Low
.csvenx	Low
.csx	Low
.csz	Low
.cs_	Low
.ct	High
.ct4im	Low
.cta	Low
.ctb	Medium
.ctd	Low
.ctde	Low
.ctf	Medium
.ctg	Low
.ctk	Low
.ctl	High
.ctm	Medium
.ctoa	Low
.ctp	Medium
.cts	Low
.ctt	Very High
.ctw	Low
.ctx	Medium
.ct_	Low
.cube	Low
.cud	Low
.cue	Very High
.cui	High
.cuid	Low
.cuix	Medium
.cuj	Low
.cul	Low
.culist	Low
.cup	Low
.cur	Very High
.cursor	Low
.cursorfx	Low
.curxptheme	Low
.cus	High
.cust	Low
.cut	High
.cu_	Low
.cv	Low
.cv2	Low
.cvd	Low
.cvf	Low
.cvp	Low
.cvr	Low
.cvs	Low
.cvx	Low
.cw3	Low
.cwb	Low
.cwe	Low
.cwg	Low
.cwk	Low
.cwms	Low
.cwp	Low
.cwt	Low
.cwu	Low
.cww	Low
.cxml	Low
.cxx	Very High
.cyberducklicense	Low
.cyberduckprofile	Low
.cze	Low
.czip	Low

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