Speaking of syncing iPhone with Outlook, you can take advantage of iTunes to sync contacts.
- Connect iPhone to computer with USB cable, and launch iTunes.
- Click iPhone icon, and choose Info the Summary Panel in left sidebar.
- Check Sync Contacts with, and choose in the drop-down menu.
- Click Apply at the right bottom to start syncing iPhone contacts with Outlook.
When the sync is finished, the contacts will show up in the Outlook contacts. Besides syncing contacts, you can also sync iPhone calendars and mails to outlook as well. But if you have noticed, the sync of iTunes is an annoying issue among iPhone users as during the sync of iTunes, the application may erase the available files in their iPhone.