if anyone is having problems seeing there messages in the sub-folders you have to retrieve the email from a earlier date, by default the i1 sets the exchange mail to retrieve mail from the 3 days ago so if you have mail that older than three days in your sub-folders it will not appear. i just changed to get mail from a month ago and all my sub folders starting filling up.
hope this helps someone else having the same problem as me.
hope this helps someone else having the same problem as me.