Exchange ActiveSync is a communication protocol that enables mobile, over-the-air access to e-mail messages, schedules, contacts, task lists, and other Exchange Server mailbox data. Exchange ActiveSync is available on both Windows Mobile-based devices and Exchange ActiveSync-enabled devices offered through Microsoft partners. By taking advantage of Exchange ActiveSync through compatible devices and software, users can avoid added costs of middleware or service fees.

Licensees:
|Apple, Inc.| Big Bang System Corporation | DataViz, Inc. | Gecad Technologies | Google Inc. | Helio LLC | HTC Corporation |
|IXI Mobile (R&D) Ltd. | |Nokia Corporation | Palm, Inc. | Remoba, Inc.| Samsung Electronics Co., Ltd. |
|Sony Ericsson Mobile Communications AB | Symbian Software Ltd. | Xandros, Inc. | SmarterTools, Inc. | IceWarp Limited |
|Catalyst Web Services, LLC |

Microsoft Exchange Server 2007 Interoperability Principles Protocol Licensees:
|XCome Technology Co. Ltd. |