I don't know what file do you want to embed.

Generally, PowerPoint file takes up much computer space.
If the video clip or audio file missed on the way to send and you do
not tell that the PowerPoint contains video or audio file, someone
else even has no way to know this PowerPoint is the perfect one.

So I'd like to introduce you inset the files to your presentation.

Embed /insert sound file check it out :
http://www.ppt-to-dvd.com/learningcenter/how-to-add-music-song-to-powerpoint-presentations.html

Add verious video files to powerpoint presentation:

http://www.ppt-to-dvd.com/learningcenter/how-to-add-various-videos-to-powerpoint-resentation.html

Therefore, I will tell you a better way to perfectly distribute
the PowerPoint file which contains video clips or music files ---
Convert PowerPoint to DVD or video file with  PPT to DVD Burner

www.ppt-to-dvd.com

http://www.ppt-to-dvd.com/learningcenter/how-to-add-various-videos-to-powerpoint-resentation.html