You can play M4A files with most popular media players, including Apple Music, Apple Quicktime, Windows Media Player (if you add the K-Lite Codec Pack), Adobe Audition, and VLC. Due to their reduced file sizes, M4A files are a go-to format for sharing and downloading audio content, especially music downloaded from the Apple iTunes Store.
M4A files are typically encoded with ALAC (Apple Lossless Audio Codec) or AAC (Advanced Audio Coding), compressing the files to produce smaller file sizes that retain high-quality sound. You can open these files using Apple Music, VideoLAN VLC media player, Microsoft Windows Media Player and others. Originally developed by Apple as a competing format to MP3, M4As are specifically used to store audio-only material such as podcasts, music, audiobooks and other auditory entertainment. It has been becoming a great WAV to MP3 converter for Mac free download, as the LAME MP3 encoder is finally bundled with it in version 2.3.2 for the first time. Audacity is freeware, open source, cross-platform audio editor, and it does more than editing audio files. M4A files are an extension of the MP4 container format (MPEG-4 or Moving Picture Experts Group-4). Audacity - WAV Converter to MP3 on a Mac or PC.