(Using combined keys + to copy & + to paste and right click the file to make a copy are both acceptable.)
The following method has helped many users to make 'Codec Unavailable' error go away. The first workaround is to change the extension of the troublesome presentation and convert the audio/video that won't play in the file into a more commonly-used format. PowerPoint Recovery: How to Recover Deleted or Unsaved PowerPoint (2007/2010/2013/2016) Here we will introduce several workarounds to fix 'Codec Unavailable' error when PowerPoint cannot play video or audio.
Codec Unavailable or Media Unavailable error could come up when there is a compatibility problem or required codec missing. But sometimes, PowerPoint cannot play its embedded videos and audios with the message saying ' Codec unavailable' or ' Media unavailable'. One of the great things about PowerPoint is that you can embed videos or audio clips in the slideshow to make your presentations more interesting.
