We have faced multiple issues with Offline Address Book (OAB) with Mac Outlook 2011 and the most common culprit is found to be some kind of Corruption in OAB.

Symptoms

Outlook 2011 fails to Display Offline Address Book

Steps to rebuild Offline Address Book (OAB) for Outlook 2011 for Mac

1) Quit Outlook completely (Ensure Outlook and Database Daemon process is quit completely from “Activity Monitor”)

2) Remove the default/active identity folder from ~/Library/Caches/Outlook/(Identity) Directory

3) Restart Outlook

4) Wait for 15-20 minutes and check if OAB gets listed, The process may take longer depending on your speed and connectivity to Exchange Server,  It would be unwise to leave outlook running over night as well before trying any further troubleshooting.

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An automobile enthusiast at heart and computer geek by profession, started my Career with MS in 2005.Left Jobs and started Pledge Technologies (the parent company to Grishbi) back in 2009.We have been providing IT consulting to various Small and Medium businesses across US and UK since then.Our company specialises in Microsoft Server technologies like AD, Exchange, the rest and with numerous Office 365 migrations under our belt, we quite an expert with that too. Whatever we learn in our day to day life, we share it back on Grishbi as a Thank for all the love and support our customers have given us.
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