If someone sends you a .pptx file that contains embedded media such as a video file, and you’d like to separate that video from the PowerPoint file, just change the .pptx extension to .zip and open the file in your favorite unzipper. Within that file, look for the /ppt folder and the files you’re looking for should be there.
Michael Sauers is currently the Director of Technology for Do Space in Omaha, NE. Michael has been training librarians in technology for the past twenty years and has also been a public library trustee, a bookstore manager for a library friends group, a reference librarian, serials cataloger, technology consultant, and bookseller since earning his MLS in 1995 from the University at Albany’s School of Information Science and Policy. Michael has also written dozens of articles for various journals and magazines and his fourteenth book, Emerging Technologies: A Primer for Librarians (w/ Jennifer Koerber) was published in May 2015 and more books are on the way. In his spare time he blogs at travelinlibrarian.info, runs The Collector’s Guide to Dean Koontz Web site, takes many, many photos, and typically reads more than 100 books a year.
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Here’s an interesting one I found on the Microsoft Office Site: