Originally Posted by stevew
I think he can also sync the e-mail through Outlook and then again to his BB...although like you, I have to wonder why. I wipe mine ever few months during an OS upgrade. I always have them on my exchange servers anyway...
Using BES, you can get some number of messages back, not thousands, but email typically does not sync using BIS. RIM has some agreements in place to do that with Yahoo and gmail, but even that is problematic.