The first Ogg multimedia container that supported video, specifically Microsoft's DirectShow format. VLC Media Player enables viewing of OGM files, as well as Windows Media Player after installing the OGM codec. See Ogg Vorbis and VLC.
"OGM." YourDictionary, n.d. Web. 17 August 2018. <http://www.yourdictionary.com/ogm>.
OGM. (n.d.). Retrieved August 17th, 2018, from http://www.yourdictionary.com/ogm