The Mac operating system differs in many aspects from Windows. Included in these differences are software programs that are compatible with each operating system. However, iTunes is a program that runs on both operating systems and allows users to convert audio files from WAV files to MP3 files. You may want to convert a WAV file because these audio files are typically larger in size than MP3 files. Therefore, if you want to save memory on your hard drive, this conversion may be necessary. Writer Bio

How to Convert WAV to MP3 in Mac - 21