| .cdb |
Symbian Phonebook Database |
| .clg |
Windows Catalog File |
| .cub |
Analysis Services Cube File |
| .cdx |
Compound Index File |
| .cshtml |
ASP.NET Razor Web Page |
| .chk |
InterCheck Checksum Database |
| .cnt |
Help Contents File |
| .cil |
Clip Gallery Packaged File |
| .chw |
Compiled Help Index File |
| .ctt |
Messenger Contact List |
| .cso |
Compressed ISO Disk Image |
| .ctl |
Visual Basic UserControl Object File |
| .cd |
Visual Studio Class Diagram |
| .crwl |
Windows Crawl File |
| .cbt |
Comic Book TAR File |
| .crtx |
Office 2007 Chart Template File |
| .camp |
WCS Color Appearance Model Profile File |
| .cpx |
Oracle ADF Binding Context File |
| .clb |
COM+ Catalog File |
| .cpn |
Age of Mythology Campaign File |
| .compositefont |
Windows Composite Font File |
| .crds |
Windows CardSpace Backup File |
| .cvr |
Microsoft Crash Report File |
| .clw |
Visual C++ ClassWizard File |