.F4A File Extension
File TypeAdobe Flash Protected Audio File
This file is saved in a binary format, which requires a specific program to read its contents.
Audio file created by Adobe Flash, an application used to develop rich Web content; contains MPEG-4 audio data protected with DRM protection; differs from a .F4P file, which contains protection for both audio and video streams.
F4A files are used for exporting proprietary audio data for playback in Adobe's Flash Player.