Synchronize your Windows Mobile-based device with a Windows powered desktop PC. Microsoft ActiveSync 4.5 is the latest sync software release for Windows Mobile-based devices. ActiveSync provides a great synchronization experience with Windows-based PCs and Microsoft Outlook right out of the box. ActiveSync acts as the gateway between your Windows-based PC and Windows Mobile-based device, enabling the transfer of Outlook information, Office documents, pictures, music, videos and applications to and from your device. In addition to synchronizing with a desktop PC, ActiveSync can synchronize directly with Microsoft Exchange Server 2003 so that you can keep your e-mail, calendar data, tasks and contact information updated wirelessly when youre away from your PC. ActiveSync 4.5 supports PC sync via USB cable, Bluetooth, or infrared connection.Version 4.5 improves issues related to setup, partnerships, and connectivity with the PC and Microsoft Exchange.