| .APF | Adobe Systems Incorporated | File vari | Adobe Profile File | Sony Ericsson PC Suite | Sony Mobile Communications |
| .COPY | Sony Mobile Communications | File audio | Sony Ericsson Protected Content File | Sony Ericsson Mobile Phones | Sony Mobile Communications |
| .DBK | Sony | File backup | Sony Ericsson Mobile Phone Backup File | Sony Ericsson PC Suite | Sony Mobile Communications |
| .DCF | Sony Mobile Communications | File audio | DRM Content Format File | DRM Packager | Sony Mobile Communications |
| .DM | Sony Mobile Communications | File 3D | DRM Delivery Message | DRM Packager | Sony Mobile Communications |
| .DR | Sony Mobile Communications | File vari | DRM Rights Object | DRM Packager | Sony Mobile Communications |
| .ECS | Sony | File backup | Sony Ericsson Mobile Phone Backup File | Sony Ericsson PC Suite | Sony Mobile Communications |
| .EMY | Sony | File audio | eMelody Ringtone File | Sony Ericsson Mobile Phones | Sony Mobile Communications |
| .FL | Microsoft Corporation | File di giochi | Freelancer Saved Game File | DRM Packager | Sony Mobile Communications |
| .HID | Sony | File di settaggi | Sony Ericsson Remote Settings File | Sony Ericsson PC Suite | Sony Mobile Communications |
| .MBN | Samsung Electronics | File di sistema | Multi Boot Image | Sony Ericsson Mobile Phones | Sony Mobile Communications |
| .QCA | Sony Mobile Communications | File di dati | Ericsson Phone Doubler Quick Call Data | Ericsson Phone Doubler Quick Call | Sony Mobile Communications |
| .QCALL | Sony Mobile Communications | File di dati | Phone Doubler Quick Call File | Ericsson Phone Doubler Quick Call | Sony Mobile Communications |
| .S7S | Sony | File di dati | Sony Ericsson S700i Phone Firmware Data | Sony Ericsson Mobile Phones | Sony Mobile Communications |
| .SSW | Sony Mobile Communications | File vari | Sony Ericsson Firmware File | SETool2 | Sony Mobile Communications |
| .THM | Sony | File vari | Sony Ericsson Mobile Phone Theme File | Sony Ericsson Theme Creator | Sony Mobile Communications |
| .VNT | Sony | File di testo | Sony Ericsson Mobile Phone vNote File | Sony Ericsson Note Creator | Sony Mobile Communications |
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