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About DRM, licenses, and protected
files
Some digital media files, such as songs
downloaded from online stores, are encrypted
to prevent the files from being unlawfully
distributed or shared. Content providers use a
technology called Digital Rights Management
(DRM), to encrypt the files. During the
encryption process, the content provider
creates a license which specifies how and when
the file can be used.
For example, a content provider could create a
license that allows you to play a certain file on
your computer, but not on your phone. Or, a
license that allows you to play a certain file on
your phone, but only for a month, or perhaps
only a certain number of times. Files that have
licenses associated with them are called
protected files.
If you want to copy a protected file from your
computer to your phone, use the desktop Media
Player to synchronise the file to your phone. This
will ensure that the license is copied along with the
protected file. In the desktop version of Windows
Media Player 10 or later, you can use ActiveSync
to automatically copy your audio files, video files,
and play lists to your phone every time you
connect.
Copy media files using the desktop
player
In addition to ActiveSync (page 65), you can
use the desktop player to copy media files.
Using the desktop player ensures that licenses
are copied with protected files.
Make sure that you have Windows Media Player
10 or later versions on your computer.
Depending on the version of your desktop
player, the procedure to copy files may vary.
Multimedia
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