If you can send and receive emails when you are in Outlook but your address book is not working, you need to check for the following.
Laptops
If you see this issue on a laptop, it could be that your Outlook profile was setup under IMAP and not Exchange. I notice that this happens frequently on laptops because the previous technician knows that when the user is out of the office, the firewall will prevent Outlook from seeing the Exchange server. Sadly, the technicians do not remember that they can install VPN and have Outlook work normally.
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Stephan Pringle
Chief Executive Officer at Sipylus
About The Author: Stephan Pringle is an Information Technology Specialist. He covers hardware and software and provides tips for you to troubleshoot and repair issues on your own. In his spare time, he writes articles about the State of New York on his Hackintosh and HackBook and that has helped him to become the top contributor of the New York City section of Yahoo! Answers.
