✔ 最佳答案
You can use Foobar2000 0.9.5.1 to open .oss files, and it natively support MP1, MP2, MP3, MP4, MPC, AAC, Ogg Vorbis, FLAC / Ogg FLAC, WavPack, WAV, AIFF, AU, SND, CDDA, WMA files and it is very light-weight, just about 7MB, just install it and play OGG file without any configuration.
Official download:
http://www.foobar2000.org/
For more function, read its website, hope that I can help you.