.M4R

.M4R file extension

This is the basic program to work with .M4R extension

iTunes

iTunes Ringtone

iTunes allow you to organize and enjoy the music, movies, and TV shows in your computer. It also provides access to over 100,000 movies and TV shows on iTunes library, which you can either stream directly or download for watching later. A variety of radio stations is available on iTunes, which you can listen to after purchasing a subscription... (more)

The program works with the following extensions: vob, mp4, ts, tp, tr, aax, mpv, ipa, pls, ipg, itb, itl, m4e, xpl, aob, m4a, m4b, m4p, trp, m4r, vro, m4v, wav, cdda, wave, ipsw, itms, itpc, itdb, m3u8, pcast and audiocd

.M4R extension is also supported by the following program:

Free Download Manager

Free Download Manager MySQL Tools for

Download, split and preview audio and video files, resume broken downloads.