Teams is a digital workspace that brings teams and groups together to collaborate in real time through: Rich text chat, Social media features such as reactions and @mentions, File sharing and co-authoring, Virtual meetings, Channel tabs to surface all kinds of important documents, websites, and web apps. Teams now has the ability to run small custom applications that are tailored to your organization's needs and business processes and can include approval workflows that your users can respond to directly within Teams. Teams can also replace your entire phone system with an easy to use and easy to manage Voice-over-IP (VoIP) solution that is fully cloud-based.