Should you need it, you can convert MP3 format to M4P using some programs like Helium Music Manager, or MediaMonkey. However you would be better of with common MP4s as M4P format is generally used for DRM protected music bough from iTunes store.
Convert Compressed audio and music file, mp3 songs or ringtones to Apple iTunes Music Store audio.
We have found 2 software records in our database eligible for .mp3 to .m4p file format conversion.
Microsoft Windows software - convert mp3 to m4p on Windows
A digital media player and library
Convert from mp3 file format
|Yes, MediaMonkey supports mp3 file conversion as a source file type.||No||No||No||No||No||No||No|
|Yes, MediaMonkey supports m4p file conversion as a target file type.||Yes||No||No||No||No||No||No|
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned mp3 to m4p. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
A music library management program - renamed to Helium (version 12) and replaced in 2016