What is another file itunes expecpts?

My organization is trying in order to convert the MPEG Part 3 Music, to almost any file of which itunes will probably except, precisely what all this file forms itunes welcomes note:mp3 just isn’t working to help convert them to therefore like AAC, AIF, AIFF, RA, WAV, WMA, d some of these work because it is many I see)

that’s all that i know.