What is .dm file?
DM file extension is used by media files that has been encoded with DRM (Digital Rights Management) copy-protection. It is used by some mobile phones for ringtones and other media clips, but they can also be used for digitally signed mobile applications. These files ensure that no related media file is used without the distributor's express consent and that users cannot copy or distribute the allied media illegally. Normally DM files are installed in the background using a mobile phone download and installation service. They can only be opened on authorized cell phone.
The DM files are usually created using the Sony Ericson DRM Packager for Sony Ericsson phones. This utility is used by media developers to deliver their media content to Sony Ericsson mobile devices.
Recommended Software Programs to open .dm file
- Sony Ericsson DRM Packager