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Microsoft ActiveSync 4.5 is the latest sync software release

for Windows Mobile-powered devices. ActiveSync provides a

great synchronization experience with Windows®-powered PCs

and Microsoft Outlook right out of the box.

Faster file transfer speed and photo sync via Outlook are only available for Windows Mobile 5.0 powered devices.
Remote PC Sync (via WiFi or LAN) has been removed due to Enterprise customer feedback around security issues.
Customers using Microsoft Exchange 2003 Service Pack 2 with devices running the Messaging and Security Feature Pack for Windows Mobile 5.0 will benefit from the following feature enhancements included in ActiveSync 4.5: Direct Push Technology, local device wipe, and certificate powered authentication to Microsoft Exchange.
Microsoft® Outlook® 2000 is not supported by ActiveSync4.5. It is highly recommended that users upgrade to Microsoft® Outlook® 2003 messaging and collaboration client.
Conversion of database files for use on a mobile device is not supported by ActiveSync 4.5. On previous versions, this feature was limited to devices running Windows Mobile software for Pocket PC 2003 and earlier.
Conversion of font files for use on a mobile device is not supported by ActiveSync 4.5. On previous versions, this feature was limited to devices running Windows Mobile software for Pocket PC 2003 and earlier.

**Connectivity and synchronization may require separately

purchased equipment and/or wireless products (e.g., WiFi

card, network software, server hardware, and/or redirector

software). Service plans are required for Internet, WiFi and

phone access. Features and performance may vary by service

provider and are subject to network limitations. See device

manufacturer, service provider and/or corporate IT department

for details.

Note: Microsoft ActiveSync works only with Windows XP SP2

or earlier. If you have Windows Vista, your synchronization

settings will be managed through the Windows Mobile Device

Center. Windows Mobile Device Center is available through the

Windows Mobile Device Center page.