What Is an M4R File?
A file with the M4Rfile extensionis an iPhone ringtone file.
They can be created in iTunes and transferred to an iPhone as custom ringtone sounds.
These files are actually just.M4Afiles that have been renamed to .M4R.
This file extension exists only to indicate that it’s a ringtone.
How to Play an M4R File
Open M4R files with Apple’siTunesprogram.
To play the ringtone with a different program, try renaming the extension toMP3first.
Of course, you could alwaysbuy ringtones for your iPhoneinstead, or use websites that let youdownload free ringtones.
Still Can’t Open It?
You might even have a file that just shares one of the letters, like anM file.
FAQ
you could add .M4R files to iTunes or Apple’s Music app using two methods.
Your .M4R files will usually appear in theRingtonestab within iTunes or Music.
No actual conversion is necessary other than renaming the file.
To do so, right-click and selectRenamefrom the menu.