Connect your iPhone or iPod touch to your computer using the cable provided with your device or by placing the iPhone or iPod touch in the Apple Universal Dock.
iTunes opens automatically when connected to your computer.
In iTunes, in the source list, under Devices, click the entry for your iPhone or iPod touch.
Click the Info tab.
Under Contacts, click Sync contacts from, and then click Outlook.
Do one of the following:
To synchronize all contacts, click All contacts.
To limit the contacts that are synchronized, click Selected groups, and then click the groups you want to synchronize.
Note To select multiple groups, press CTRL as you click each group name.