Set up Skype for Business (Lync) for Mac 2011 for Office 365 Microsoft are instead still offering the older Lync software. Skype for Business has not yet made it in full to the Mac. If you are using Homebrew (and Cask), you can install Skype for Business for Mac with the following commands: brew update brew cask install skype-for-business You can find the official download link here: Microsoft has officially released Skype for Business for Mac on October 26th, 2016.