Have you looked at the User Guide:
There appears to be some stuff about exporting documents there.
This discusses web services, though that might be for a more advanced version of the software:
Hope this helps...
I think they are going for a consistent look and feel that has contect-sensitivty built in. Searching from the home page searches the whole site, searching from the forum page searches the forums, etc. In some ways it feels likje a good idea, in other ways it feels confusing because it is hard to know the context.
We will see what searching in the new portal looks like in a few days...