VLC media player is an open source video and audio player capable of playing almost any type of media including DVDs and VCDs. In addition to being able to play most video and audio files, VLC can also post free ads without registration
File extensions that can be opened by vlc-media-player

oh2.ASX	Advanced Stream Redirector
oh2.DTS	Digital Theater Systems Audio File
oh2.GXF	General eXchange Format
oh2.M2V	MPEG-2 Video
oh2.M3U	MP3 Uniform Resource Locator
oh2.M4V	MPEG-4 Video File
oh2.MPEG1	MPEG-1 Video
oh2.MPEG2	MPEG-2 Video
oh2.MTS	AVCHD Video File
oh2.MXF	Material eXchange Format
oh2.OGM	Ogg Multimedia Container File
oh2.PLS	Playlist
oh2.BUP	DVD Information File
oh2.A52	Dolby Digital AC-3 Compressed Audio File
oh2.AAC	Advanced Audio Coding Compressed Audio File
oh2.B4S	Winamp 3+ Playlist
oh2.CUE	Cue Sheet
oh2.DIVX	DivX Movie
oh2.DV	Digital Video
oh2.FLV	Flash Video
oh2.M1V	MPEG-1 Video
oh2.M2TS	MPEG-2 Transport Stream Videos
oh2.MKV	Matroska Video Stream
oh2.MOV	Apple QuickTime Movie
oh2.MPEG4	MPEG-4 Video
oh2.OMA	OpenMG Audio File
oh2.SPX	Ogg Speex Audio File
oh2.TS	DVD Video
oh2.VLC	VLC Media Player Data
oh2.VOB	DVD Video Object
oh2.XSPF	XML Shareable Playlist Format
oh2.DAT	VCD Video
oh2.BIN	Binary DVD Video
oh2.IFO	DVD Information File
oh2.PART	Partially Downloaded File
oh2.3G2	3G Mobile Phone Video
oh2.AVI	Audio Video Interleave
oh2.MPEG	MPEG Video
oh2.MPG	MPEG Video
oh2.FLAC	Free Lossless Audio Codec Compressed Audio FIle
oh2.M4A	MPEG-4 Audio File
oh2.MP1	MPEG-1 Audio Layer I
oh2.OGG	Ogg Multimedia Container File
oh2.WAV	Waveform Audio
oh2.XM	Extended Module Audio File
oh2.3GP	3G Mobile Phone Video
oh2.SRT	DVD Subtitles File
oh2.WMV	Windows Media Video
oh2.AC3	Dolby Digital AC-3 Compressed Audio File
oh2.ASF	Advanced Systems Format Video
oh2.MOD	MOD Audio File
oh2.MP2	MPEG-1 Audio Layer II
oh2.MP3	MPEG-1 Audio Layer 3
oh2.MP4	MPEG-4 Part 14 Multimedia Container
oh2.WMA	Windows Media Audio File
oh2.MKA	Matroska Audio Stream
oh2.M4P	Protected AAC File

aoh2   boh2   coh2   doh2   eoh2   foh2   goh2   hoh2   ioh2   joh2   koh2   loh2   moh2   noh2   ooh2   poh2   qoh2   roh2   soh2   toh2   uoh2   voh2   woh2   xoh2   yoh2   zoh2   0oh2   1oh2   2oh2   3oh2   4oh2   5oh2   6oh2   7oh2   8oh2   9oh2