Biggest / best forums for Microsoft Office, Outlook…?

What are the biggest / best forums for Microsoft Office (2007), Outlook (2007)? So, a helpdesk for these programs, a forum where you can ask for help concerning these programs.
Best wishes, Biff
Answer #1
Have a look on the microsoft site, there may be like an IRC channel or something.
Answer #2
I’m guessing this one :
http://www.msofficeforums.com/
Answer #3
Thanks for the link, kyuubi92,
Okay, this one doesn’t seem to be that big, just 1,589 threads.
Thanks again, best wishes, Biff