Good Gawd is right, ha ha.
I hate to be lame, but try rebooting.
Also... it may appear that outlook locks up, but if for some reason it's
trying to access a network folder, or list the content of your "My Network
Places" folder or something similar, it might appear to lock up until the
directory listing it's waiting on either finishes downloading, or the
operations fails, times out, and you get sent back to "Desktop" or something.
Go to the browse button, and then when it appears to lock up, wait at least
3 minutes, just to humor it.
Let me know.