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.
OK, I actually went and found the answer myself. Seems daft though, not to have the ability to speed up videos directly within PowerPoint seeing as we can trim them, etc. Onto the solution...
- Save screen recording as an MP4 file.
- Open Windows Movie Maker.
- Add your video file to it.
- Under the Edit tab, set your preferred speed from dropdown menu.
- Under Home tab>> Save Movie dropdown menu>> For Computer/High Definition (whichever you prefer. Without doing this, your file won't be compatible with PwrPt)>> choose folder location and file name>> save.
- Your file will be converted into a PwrPt-friendly format and you can now insert it into your presentation.
This apparently also works with VLC, but I haven't used it myself.