As the most popular online music store iTunes has millions of customers which download thousands of music every second.
M4P – a copyright protected iTunes format of "protected AAC". It is a format of downloaded music from iTunes store that can be listened to only through the iTunes compatible players like iPod.
So, if you want to listen to iTunes music with other mp3 players such as Zune, Creative Zen, cell phone and play itune music on windows media player, window movie maker or share them with your friends, you have to convert M4P to MP3 with iTunes Music Converter.

Now, we can convert M4P to MP3 with two methods.

1.Burning and re-import.
2.Convert M4P to MP3 with a Professional Protected Music Converter


Solution 1: M4P->CD-> MP3
To convert M4P to MP3, you can burn M4P onto a CD (using the iTunes CD burning option), then re-import the CD as unprotected MP3 into the iTunes library.
1. Buy songs on iTunes.
2. Insert a blank CD. (You'd better use a rewrite CD which can be used circularly and use some software like Nero to wipe off the music files you have processed.)
Note: You need to change iTunes settings in "Edit"->" Preferences" before burn and import.

3. Go to File->Create a New Playlist

4. Drag and Drop files you want from your library to the New Playlist.
5. Right-click playlist and select "Burn Playlist to Disc" or you can left- click "Burn Disc"
6.After conversion, left-click “import CD” to import CD files to iTunes library as MP3 format.
(And you can find the unprotected MP3 file by the side of the original file in > "My Document" > "My music" > "iTunes".)

Solution 2: iTunes Music Converter - Convert M4P to MP3 directly
Daniusoft Digital Music Converter can convert M4P to MP3 with one step and the speed is up to 27x. It also can convert protected WMA to MP3, WAV, WMA, OGG and various file formats on Windows PC.

Simple steps to convert M4P to MP3:
1. Add iTunes M4P and other protected files.
2. Choose "MP3" as the output format
3. Pressthe "Start" button.
Now you can own the music forever and play it on your mp3 player, cell phone, windows media player and other portable players without restriction