PowerPoint lets you add audio files from your Windows PC for all slides. Here's a tutorial to help you insert sound files in PowerPoint.

How to export Audacity files as MP3s using older versions of Audacity In older versions of Audacity, you couldn't convert audio to MP3 without first installing an MP3 encoder add-on to your Mac or PC.

If you instead select Skip, the lesson should eventually open. However, not surprisingly, you won’t be hearing much, if any, sound. Where exactly are these missing audio files?

Mobile phones support a wide variety of audio file formats. Some compatibility issues require the prior conversion of audio files to make them readable on multiple devices. Here's an overview of the ...