AAC File (What It Is & How to Open One) - Lifewire
You can open an AAC file with iTunes through the File menu. On a Mac, use the Add to Library option. For Windows, choose either Add File to Library or Add Folder to Library to add the AAC files to your iTunes Library. Another way to play AAC files with VLC, Media Player Classic (MPC-HC), Windows Media Player, MPlayer, Audials One, and likely ...