Web media extensions are provided for free, supporting OFF Container and system wide Vorbis and Theora decoders. The store description mentions that it can be used for PC, Xbox One, HoloLens, and Mobile. Any application or program that needs to play these media file formats can do so after installing the web media extension.
The Web media extension package extends Microsoft Edge and Windows 10 to open source formats common on the Web. By installing this media add-on, users will be able to freely play back the contents of the Ogg container as well as those encoded using Vorbis or Theora codecs.
Download: Web Media Extensions 1.1.1295 (3.5 MB)