The Window menu has options for viewing windows and changing their characteristics:
• Minimize—Minimizes the current window.
• Zoom—Zooms in on the current window.
• Close—Closes the current window. Note that this does not exit the client if the main Lync:Mac application is the current window.
• Contact List—Shows the main Lync:Mac application with the contact list in focus.
• Conversation History—Shows conversation history. Note that this includes only conversations that have happened on the same Mac. In other words, it’s a local store and does not integrate with the conversation history folder in Microsoft Exchange and Outlook.
• Bring All to Front—Brings all Lync windows to the front.
• Other—Provides a list of all open Lync:Mac windows. ...