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

f3.ASX	Advanced Stream Redirector
f3.DTS	Digital Theater Systems Audio File
f3.GXF	General eXchange Format
f3.M2V	MPEG-2 Video
f3.M3U	MP3 Uniform Resource Locator
f3.M4V	MPEG-4 Video File
f3.MPEG1	MPEG-1 Video
f3.MPEG2	MPEG-2 Video
f3.MTS	AVCHD Video File
f3.MXF	Material eXchange Format
f3.OGM	Ogg Multimedia Container File
f3.PLS	Playlist
f3.BUP	DVD Information File
f3.A52	Dolby Digital AC-3 Compressed Audio File
f3.AAC	Advanced Audio Coding Compressed Audio File
f3.B4S	Winamp 3+ Playlist
f3.CUE	Cue Sheet
f3.DIVX	DivX Movie
f3.DV	Digital Video
f3.FLV	Flash Video
f3.M1V	MPEG-1 Video
f3.M2TS	MPEG-2 Transport Stream Videos
f3.MKV	Matroska Video Stream
f3.MOV	Apple QuickTime Movie
f3.MPEG4	MPEG-4 Video
f3.OMA	OpenMG Audio File
f3.SPX	Ogg Speex Audio File
f3.TS	DVD Video
f3.VLC	VLC Media Player Data
f3.VOB	DVD Video Object
f3.XSPF	XML Shareable Playlist Format
f3.DAT	VCD Video
f3.BIN	Binary DVD Video
f3.IFO	DVD Information File
f3.PART	Partially Downloaded File
f3.3G2	3G Mobile Phone Video
f3.AVI	Audio Video Interleave
f3.MPEG	MPEG Video
f3.MPG	MPEG Video
f3.FLAC	Free Lossless Audio Codec Compressed Audio FIle
f3.M4A	MPEG-4 Audio File
f3.MP1	MPEG-1 Audio Layer I
f3.OGG	Ogg Multimedia Container File
f3.WAV	Waveform Audio
f3.XM	Extended Module Audio File
f3.3GP	3G Mobile Phone Video
f3.SRT	DVD Subtitles File
f3.WMV	Windows Media Video
f3.AC3	Dolby Digital AC-3 Compressed Audio File
f3.ASF	Advanced Systems Format Video
f3.MOD	MOD Audio File
f3.MP2	MPEG-1 Audio Layer II
f3.MP3	MPEG-1 Audio Layer 3
f3.MP4	MPEG-4 Part 14 Multimedia Container
f3.WMA	Windows Media Audio File
f3.MKA	Matroska Audio Stream
f3.M4P	Protected AAC File

af3   bf3   cf3   df3   ef3   ff3   gf3   hf3   if3   jf3   kf3   lf3   mf3   nf3   of3   pf3   qf3   rf3   sf3   tf3   uf3   vf3   wf3   xf3   yf3   zf3   0f3   1f3   2f3   3f3   4f3   5f3   6f3   7f3   8f3   9f3