Navigate to the folder “Microsoft User Data/Microsoft Lync Data” and delete all content.(Or navigate to the folder in whatever way you may prefer) Type in the path to your Documents directory, typically /Users/myname/Documents. Open Finder and press Command-Shift-G.To fix this problem, you just have to delete the user profile on your local Mac client. The answer to this is a corrupt user profile on your Lync for Mac 2011 client. However, sometimes this is not working as expected, and you might be wondering why it suddenly stopped. When you try to search for a contact in Lync which is not in your contact list, the client would normally display all matching results from your company’s addressbook.
