| .ctm |
Star Wars Republic Commando Map File |
| .clk |
Corel R.A.V.E Project File |
| .cpn |
Age of Mythology Campaign File |
| .cfa |
ComProbe Analyzer Capture File |
| .cfs |
Lucene Compound Index File |
| .cul |
Windows Cursor Library |
| .cdda |
CD Digital Audio File |
| .classlist |
SMART Notebook Class List File |
| .chx |
AutoCAD Standards Check File |
| .clx |
Standard Dictionary File |
| .cdmt |
ConceptDraw MINDMAP Template |
| .csy |
Canvas Symbol File |
| .cmproj |
Camtasia Project File |
| .cmrec |
Camtasia Recording |
| .carc |
Nintendo DS Compressed Archive File |
| .cmmtpl |
Camtasia MenuMaker Template |
| .cmmp |
Camtasia MenuMaker Project |
| .cml |
Chemical Markup Language File |
| .cptx |
Adobe Captivate Project File |
| .crev |
Adobe Captivate Commentable SWF File |
| .crds |
Windows CardSpace Backup File |
| .cry |
CryENGINE Map File |
| .cdpz |
ConceptDraw PROJECT Document |
| .crl |
Certificate Revocation List File |