Can you take a couple of screen shots of what you see as well as what version of Jive you're using
I had the following doc in Jive:
And here it is pasted into Word: First list was a straight post and the second I pasted it into notepad and then cut and paste it again into word (sorry for the page break in there).
And then finally a paste into gmail:
So the gmail past is working fine for me. And the bad markup sometimes gets stripped out when running it through notepad or some other app like this.
The word examples are not perfect, but perhaps still usable (can be fixed with limited editing). Are you seeing worse than this?