| File Extension: | DM |
| File Type Description: | DRM Delivery Message |
| File Type Developer: | Sony Mobile Communications |
| Primary Associated Software: | DRM Packager |
| Primary Software Developer: | Sony Mobile Communications |
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Primarily, a DM file extension is a type of DRM Delivery Message file developed for the DRM Packager software program by Sony Mobile Communications. Website visitor analysis indicates that DM files are commonly found on Windows 10 user machines, and are most popular in China. Generally, we have found that most of these people are Google Chrome users.
 | DRM Packager by Sony Mobile Communications |
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | Windows |
 | Mac |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .EMY | Sony | Audio Files | eMelody Ringtone File |
| .S7S | Sony | Data Files | Sony Ericsson S700i Phone Firmware Data |
| .ECS | Sony | Backup Files | Sony Ericsson Mobile Phone Backup File |
| .DCF | Sony Mobile Communications | Audio Files | DRM Content Format File |
| .MBN | Samsung Electronics | System Files | Multi Boot Image |
| .QCA | Sony Mobile Communications | Data Files | Ericsson Phone Doubler Quick Call Data |
| .THM | Sony | Uncommon Files | Sony Ericsson Mobile Phone Theme File |
| .COPY | Sony Mobile Communications | Audio Files | Sony Ericsson Protected Content File |
| .QCALL | Sony Mobile Communications | Data Files | Phone Doubler Quick Call File |
| .VNT | Sony | Text Files | Sony Ericsson Mobile Phone vNote File |
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