Firstly, to record and hear any audio, your PC or Desktop must be equipped with a sound card, microphone, and speakers. Then, to add audio files to PowerPoint, you will need to Open Microsoft Office ...

There appears to be no way to play music automatically in the background while viewing the entire Sway. However, the Microsoft service does allow you to add audio cards containing specific sound files ...

anyone know how to simply add a sound track to a Quicktime movie without having to bring it into FCP or something? i want to avoid recompressing the footage.