| The File Extension | Mime Type |
| .323 File Extension | text/h323 |
| .a26 File Extension | application/octet-stream |
| .a5d File Extension | application/x-authorware |
| .a78 File Extension | application/octet-stream |
| .abk File Extension | application/octet-stream |
| .abz File Extension | application/octet-stream |
| .aca File Extension | application/octet-stream |
| .acg File Extension | application/octet-stream |
| .acs File Extension | application/octet-stream |
| .adj File Extension | application/octet-stream |
| .adn File Extension | application/vnd.ms-access |
| .aep File Extension | application/octet-stream |
| .aet File Extension | application/octet-stream |
| .aff File Extension | application/octet-stream |
| .afu File Extension | application/octet-stream |
| .alg File Extension | application/octet-stream |
| .ali File Extension | application/octet-stream |
| .alv File Extension | application/x-photoshop |
| .alx File Extension | application/octet-stream |
| .amm File Extension | application/octet-stream |
| .amt File Extension | application/octet-stream |
| .api File Extension | application/x-photoshop |
| .aq1 File Extension | application/octet-stream |
| .aqa File Extension | application/octet-stream |
| .aqg File Extension | application/octet-stream |
| .arm File Extension | application/octet-stream |
| .ars File Extension | application/octet-stream |
| .ast File Extension | application/octet-stream |
| .asu File Extension | application/octet-stream |
| .ath File Extension | application/octet-stream |