.MPG4

.MPG4 file extension

This is the basic program to work with .MPG4 extension

QuickTime

QuickTime MPEG-4 Movie

Includes support for the key media formats, such as H.264 and AAC. The QuickTime web browser plug-in is no longer installed by default and is removed if you have a previous version of QuickTime on your PC. If you still need this legacy plug-in, you can add it back using the custom setup option in the installer... (more)

The program works with the following extensions: bmp, mp3, gif, mp4, jpg, swf, png, psd, mkv, avi, jpeg, mov, dv, au, qt, qtl, m3u, qup, aac, rts, amc, mps, mid, m4a, qif, ac3, amr, xpl, m4b, sd2, bwf, mac, mp2, m4p, dib, sdp, caf, jp2, m4v, sdv, mpa, m75, jpe, smf, cel, mpe, smi, dif, rgb, mpm, sgi, mpg, mpv, pct, sml, aif, flc, rmi, mqv, pic, swa, fli, m2a, snd, pls, ulw, gsm, mmv, wav, qcp, vfw, kar, pnt, 3g2, qht, m15, qti, 3gp, tif, m4e, m1v, m1a, tga, m2v, m1s, 3gpp, adts, mpga, rtsp, midi, cdda, pntg, qtif, mpeg, smil, mpg4, aifc, pict, aiff, qhtm, 3gp2, tiff, moov, m3url, movie and targa

.MPG4 extension is also supported by the following program: