It’s buzz time for Office 365 and yes Dynamics GP work with Office 365. Find out more from Inside Microsoft Dynamics GP at Microsoft Dynamics GP and Microsoft Office 365 – Better Together!
Microsoft Dynamics GP and Microsoft Office 365 – Better Together! – Inside Microsoft Dynamics GP
Archived post from 2011. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.