Explore the variety of audio file types and learn how to convert audio file formats.

PowerPoint supports a number of common audio and video formats. We'll go through the details and show you how to incorporate audio and video files into your presentation slides.

What is a DSS file? The file extension ending in .dss stands for Digital Speech Standard (DSS). It is a proprietary audio compression format jointly developed by Olympus, Philips, and Grundig.