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

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

aoqa   boqa   coqa   doqa   eoqa   foqa   goqa   hoqa   ioqa   joqa   koqa   loqa   moqa   noqa   ooqa   poqa   qoqa   roqa   soqa   toqa   uoqa   voqa   woqa   xoqa   yoqa   zoqa   0oqa   1oqa   2oqa   3oqa   4oqa   5oqa   6oqa   7oqa   8oqa   9oqa