Exchange Server and Outlook 365 are missing a sync capability. Make Everyone Reachable with itrezzo Unified Contact Management. Sync the GAL to an iPhone, Android or any ActiveSync enabled smartphone Sync a Public folder to any ActiveSync enabled smartphone Customers use our solution to push employee, customer, vendor or pre-sales contact information to Exchange Server mailboxes throughout the enterprise. The information is then available to any user of Microsoft Outlook Contacts, and on any smartphone that Syncs contacts with their mailbox. An centrally managed (on-premise) server means that no desktop or smartphone application is required. itrezzo is a privately held corporation based in Campbell, California.