| The File Extension | Mime Type |
| .bnk File Extension | application/octet-stream |
| .bns File Extension | application/x-bns |
| .book File Extension | application/octet-stream |
| .bro File Extension | application/octet-stream |
| .car File Extension | application/octet-stream |
| .cas File Extension | text/plain |
| .cct File Extension | application/octet-stream |
| .cdb File Extension | application/x-pocket-access |
| .cdc File Extension | application/octet-stream |
| .cds File Extension | application/octet-stream |
| .cdw File Extension | application/octet-stream |
| .cdxml File Extension | text/xml |
| .cer File Extension | application/octet-stream |
| .cg File Extension | application/octet-stream |
| .chm File Extension | application/x-chm |
| .chopro File Extension | application/octet-stream |
| .chp File Extension | application/x-chp |
| .cil File Extension | application/vnd.ms-artgalry |
| .clt File Extension | application/octet-stream |
| .cmp File Extension | application/octet-stream |
| .cnt File Extension | application/octet-stream |
| .cob File Extension | application/octet-stream |
| .cpr File Extension | application/x-cpr |
| .crb File Extension | application/octet-stream |
| .css File Extension | text/css |
| .cst File Extension | application/octet-stream |
| .csv File Extension | text/csv |
| .ctb File Extension | application/octet-stream |
| .ctf File Extension | application/octet-stream |
| .ctg File Extension | application/octet-stream |