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

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

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