One of the changes to Poser 13 is that now not only can you render to frames, which is the recommended way for making movies, but it will also keep those frames in their own folder and you can choose what codex to encode with and if you want another codex just select it and re-encode without having to re-render the scene.  This has the advantage of making the scene in frames instead of trying to make a MP4 or whichever format and having the computer hiccup and lose everything. Or having a couple of frames render bad and not having the MP4 etc.  That coupled with the speed at which frames now render makes it enjoyable to make movies again.

Poser 5, 6, 7, 8, Poser Pro 9 (2012), 10 (2014), 11, 12, 13