How can route Objects from Internet Service Database

Hi all,

I have some brand new Fortigate 500E and 60E Firewalls and would like to route all IPs from MS O365 thru our main location. But I find no way to use the group from the Internet Service Database as a adress object for a route. Yes I know it is a service group.... Does anyone know a way to tranfer the IPs in to adress objects? Tunnel all is no option, because we need local intenet acces in this branch office. I would like only route all Traffic to MS pages to the VPN tunnel over the main department. Thanks for all Help and ideas...

Martin