. . . "2011" . . . . "5.3e+07"^^ . . . . . . "Skype for Business"@en . "Lync for Mac"@en . . "16.0.4229.1024" . . "Skype for Business (formerly Microsoft Office Communicator and Microsoft Lync) and Microsoft Lync for Mac are instant messaging clients used with Microsoft Lync Server or Lync Online available with Microsoft Office 365."@en . .