Enter your password and select the arrow to continue. Enter your Skype name, email or phone and select Sign in. Open Skype and click or tap Skype name, email or phone. You can check: Click the Finder icon in the Dock (it's usually the first icon on the left side of the Dock). If you have Office 2016 from UB, you may already have Skype for Business 2016 for Mac.