I managed to export it using this video http://www.youtube.com/watch?v=XDYEvSb7jQs

I don't know about clothes, the one time I used genesis in poser I used dynamic clothes and tweeked them abit to fit.

 

hope this helps

Tools:- Win10, Dell XPS8900, ZBrush, Marvelous Designer 11, Hex 2, PSP8. PSP 2019 Ultimate, DAZ Studio, Affinity Photo, Affinity Designer, Filterforge 11, flowscape,  Classic UVMapper, and several headache tablets.