A family of Microsoft presentation graphics products that offer tools for creating presentations and adding graphic effects like multimedia objects and special effects with text.
I've just tried MPEG-4 format on the recommendation of a friend and it works as it is meant to. Hope this is the answer - I'll be trying it with more files. The friend said avi is not a MS format. And when I think about it, wmv is an older MS format? So the more modern format might be the answer..........................