Produce Additional Output Options Camtasia Studio > Produce video as > Select Custom production settings > Next Select any of the following additional outputs to include with the produced video file for viewers to download: MP3: Audio only file. Select the audio from the dropdown list. M4V: Provide a copy of the produced video for playback on a video-capable iPod or in iTunes. PPT: Include a PowerPoint presentation to download. This option is only available when the Timeline includes a .camrec clip recorded with the PowerPoint Add-in.