Check this article: iOS: How to transfer or sync content to your computer
To sync contacts with your computer, choose "Sync Contacts with" within iTunes for Windows, or "Sync Address Book Contacts" on your Mac.
You can sync your contacts with:
- Microsoft Outlook 2003, Microsoft Outlook 2007, Microsoft Outlook 2010 (Windows XP, Windows Vista, or Windows 7)
- Windows Address Book (Windows XP)
- Windows Contacts (Windows Vista / Windows 7)
- Address Book (Mac OS X)
- Microsoft Entourage 2004, Microsoft Entourage 2008, or Microsoft Outlook 2011 for Mac
Note: If using Microsoft Entourage, use Microsoft Entourage 2008 12.1.2 or later if syncing with Mac OS X v10.6 or later. If you would like to sync data on your Mac with Entourage, enable syncing between Entourage and Address Book.
- When syncing contacts, you can choose to sync all of your contacts or only selected groups.
- You can select a group of contacts to which all new contacts created on your iOS device will be added.
- Additional options for syncing include syncing your contacts with Yahoo or Gmail/Google Mail. You will need to configure it with the user name and password for your Yahoo or Google account.
Want to export iPhone contacts to Outlook in case contacts are lost accidently? This tutorial will guide you how to sync iPhone 5/4S/4 contacts with Outlook easily and quickly.
I Use iCloud to sync calendar and contacts using Outlook 2010 on my Win 8.1 Update 1 laptop, Outlook 2010 on a Win 7 desktop, an iPhone 5S, an iPhone 4 and an iPad 4.
You need to setup iCloud on an iOS device first...
You need to check Outlook settings to see that both the DEFAULT email account and data file settings are set to your work email account. (in Outlook 2010 -> File -> Account Settings) I had exactly the same issue in IOS 7 with multiple email accounts (POP3/Exchange) and this fixed the sync contacts between iPhone and outlook.