.MP4V

.MP4V file extension

This is the basic program to work with .MP4V extension

Media Player Classic

Media Player Classic Fichier multimédia

Media Player Classic - Home Cinema is a free audio and video player for Windows. Features: - An option to remove Tearing - MPC Home Cinema in Your Language (see all languages) - Additional video decoders and in particular H.264 and VC-1 with DXVA support... (more)

The program works with the following extensions: swf, wmv, mp4, flv, avi, ifo, mkv, dat, vob, tp, mov, ra, rm, qt, rp, rt, rv, ts, m4v, m4e, dsm, rpm, flx, ram, 3g2, mpv, drc, 3gp, vg2, d2v, rmm, wmp, smi, dsa, aif, pva, dsv, ac3, amr, vp6, dts, flh, asf, cel, rnx, m2g, mpc, flc, bik, mka, m1v, fli, m2a, m2v, mps, m1a, roq, ogg, ivf, flt, m4a, tpr, ogm, mpe, dss, m4b, vp7, m4p, pss, mpg, mpv2, flic, 3gp2, rmvb, 3gpp, smil, aifc, divx, mp4v, aiff, mp2v, mpeg, mpcpl, hdmov and ratdvd