The beauty of using 4Musics OGG to WMA Converter is that it works from the right click menu on a file. You do not have to invoke a whole other program to convert OGG to WMA. Simply right click on the OGG, select "Convert to WMA"! As easy as 1, 2, 3! What is a OGG? Ogg Vorbis is a fully open, non-proprietary, patent-and-royalty-free, general-purpose compressed audio format for mid to high quality (8kHz-48.0kHz, 16+ bit, polyphonic) audio and music at fixed and variable bitrates from 16 to 128 kbps/channel. Vorbis is the first of a planned family of Ogg multimedia coding formats being developed as part of Xiph.org's Ogg multimedia project.