Microsoft Teams is a collaboration app that brings together chat, calls, meetings, and files in a centralized location. It helps teams stay organized and communicate effectively. The document discusses the key functions of Teams including channels, meetings, calls and activity features. It also outlines top benefits such as streamlining work, hosting effective video meetings, seamless collaboration, meaningful conversations, and keeping employees informed. Finally, it addresses some limitations like confusion with similar tools, lack of unified search, unnecessary storage consumption, lack of notifications, and limited number of channels.