.K3G file extension

This is the basic program to work with .K3G extension

GOM Player

GOM Player GOM Media file(.k3g)

There are dozens of free media players and then there’s GOM Player. Apart from the obvious video and audio playback capabilities, this absolutely free player offers you a plethora of other functions that rival the most comprehensive media players. It supports all the most popular media codecs and searches for any other codec not present in its built-in library... (more)

The program works with the following extensions: swf, vob, wmv, ifo, dat, mp4, avi, flv, mkv, wm, rm, tp, mov, ts, svi, wmp, m4e, wmx, sdc, wvx, 3gp, m4v, trp, asf, dmb, asx, mpv, mqv, gom, m1v, gps, m2v, k3g, mpe, ogm, skm, mpg, rmvb, divx, lmp4, mpeg and dmskm

.K3G extension is also supported by the following program:

Windows Media Player

Windows Media Player

A powerful and convenient media manager from Microsoft.