Converting MP4 music files to MP3 is a process you can complete using audio software programs like iTunes, Switch and dBpoweramp. Each of these programs is capable of converting MP4 music files to MP3 and is free to download and install on your computer. See the links in Resources to download any of these programs.
Using iTunes
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Open iTunes.
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Drag the MP4 music files you want to convert to MP3 into iTunes.
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Open iTunes preferences, select the "General" settings tab, and click the "Import Settings" button.
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Select the "MP3 Encoder" from the "Import Settings" menu.
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Click "OK" to apply this change.
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Click "OK" to exit iTunes preferences.
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Hold the "Command" key and click the MP4 music files you want to convert to MP3 in order to highlight the files simultaneously. Then click "Advanced" and choose "Create MP3 Version." When the conversion is complete, MP3 versions will appear below the original MP4 music files in your iTunes library.
Using Switch
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Open Switch.
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Click the "Add Files" button, and select the MP4 music files you want to convert to MP3.
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Click the "Output Format" menu and choose ".mp3."
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Click "Convert," and your MP4 music files will be converted to MP3.
Using dBpoweramp
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Open dBpoweramp.
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Click the "Browse" button, and select the MP4 music files you want to convert to MP3.
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Click the "Converting To" menu and choose "MP3."
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Click "Convert," and your MP4 music files will be converted to MP3.
