Notes: VLC is only applicable IF it is a media file, and you need to first rename it to the corect file extension.

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 editplus

emo.ASA	ASP Configuration File
emo.ASAX	ASP.Net Open XML Configuration File
emo.JSP	JavaServer Pages Source File
emo.CONFIG	Configuration File
emo.MANIFEST	Windows Assembly Manifest File
emo.DAT	Data File
emo.PART	Partially Downloaded File
emo.TXT	Comma Separated Value Database
emo.ASPX	ASP.Net Open XML Source File
emo.STM	Server Side Includes HTML File
emo.HTA	HTML Application
emo.CGI	Perl Source File
emo.XAML	Extensible Application Markup Language
emo.CSPROJ	C# Project File
emo.VBPROJ	Visual Basic .Net Project File
emo.TMP	Temporary File
emo.NFO	Downloaded Program Information
emo.HTM	Hypertext Markup Language Source File
emo.CPP	C++ Source File
emo.CXX	C++ Source File
emo.H	C Header File
emo.JS	JavaScript Source File
emo.VBS	Visual Basic Script
emo.VB	Visual Basic .Net Source File
emo.CSS	Cascading Style Sheets Source File
emo.CS	C# Source File
emo.TXT	Text Document
emo.LOG	Log File
emo.HTML	Hypertext Markup Language Source File
emo.ASP	Active Server Page Source File
emo.SHTML	Server Side Includes HTML File
emo.C	C Source File
emo.HPP	C++ Header File
emo.XML	Extensible Markup Language
emo.PL	Perl Source File
emo.PHP3	PHP3 Source File
emo.RC	C++ Resource Compiler Script
emo.PM	Perl Module
emo.PHP	PHP Source File
emo.JAVA	JAVA Source File

File extensions that can be opened by vlc-media-player

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

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