| The File Extension | Mime Type |
| .cco File Extension | application/octet-stream |
| .cfm File Extension | application/x-coldfusion |
| .chi File Extension | application/octet-stream |
| .chs File Extension | application/octet-stream |
| .cpb File Extension | application/octet-stream |
| .cpp File Extension | text/plain |
| .cr1 File Extension | text/plain |
| .cs File Extension | application/octet-stream |
| .csproj File Extension | application/octet-stream |
| .ctl File Extension | application/octet-stream |
| .dbg File Extension | application/octet-stream |
| .dbi File Extension | application/octet-stream |
| .dcp File Extension | application/octet-stream |
| .dcr File Extension | application/octet-stream |
| .dcu File Extension | application/octet-stream |
| .ddf File Extension | application/octet-stream |
| .dem File Extension | application/octet-stream |
| .dep File Extension | application/octet-stream |
| .dfm File Extension | application/octet-stream |
| .dlg File Extension | application/octet-stream |
| .dmt File Extension | application/octet-stream |
| .do File Extension | application/octet-stream |
| .dob File Extension | application/octet-stream |
| .dof File Extension | application/octet-stream |
| .dox File Extension | application/octet-stream |
| .dpk File Extension | application/octet-stream |
| .dpl File Extension | application/octet-stream |
| .dpr File Extension | application/octet-stream |
| .dro File Extension | application/octet-stream |
| .dsr File Extension | application/octet-stream |