AAC AAC to AC3 - Version 1.6.42 AAC AAC to AC3 - If you are a network administrator, find MP3 files that users hide on servers hogging up space. AAC AAC to AC3 - If you are a network administrator, find MP3 files that users hide on servers hogging up space.It rips audio CD tracks to audio files of MP3, WMA, Ogg Vorbis and WAV format.