| 1. | .ebk | application/x-expandedbook |
| 2. | .ecelp4800 | audio/vnd.nuera.ecelp4800 |
| 3. | .ecelp7470 | audio/vnd.nuera.ecelp7470 |
| 4. | .edm | application/vnd.novadigm.EDM |
| 5. | .edx | application/vnd.novadigm.EDX |
| 6. | .ei6 | application/vnd.pg.osasli |
| 7. | .el | text/x-script.elisp |
| 8. | .elc | application/x-bytecode.elisp ◊ application/x-elc |
| 9. | .emb | chemical/x-embl-dl-nucleotide |
| 10. | .embl | chemical/x-embl-dl-nucleotide |