Windows Mobile Device Center (WMDC) for Windows Vista and Windows 7 is the successor of ActiveSync to sync Windows Mobile 2003 devices and later (up to Windows Mobile 6.5) with Outlook.
Download: Windows Mobile Device Center 32-bit
Download: Windows Mobile Device Center 64-bit
Tip!
For instructions to sync Windows Phone 7 with Outlook see;
Synching Outlook contacts and calendar with a Windows Phone 7 device
