http://blogs.technet.com/b/markbarr/archive/2009/12/30/mac-messenger-7-questions.aspxSo a question I get quite often is ‘is there a Communicator client for the Mac’? The answer is yes, sort of . Actually, the application is called Microsoft Messenger for the Mac and handles both Windows Live and Office Communications Server accounts.en-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)