Microsoft Teams is a new chat-based workspace in Office 365. See content and chat history anytime in a team chat or in a private chat. Schedule small group or team meetings. Post an email in the thread to keep the team in the loop. Search for public teams to collaborate on shared projects.
Instant messaging and chatting application.
Simple and secure messaging application for coworkers.
Is a great way to have support on your website or to talk live to your visitors.
IM application which helps you to chat with your Facebook.
It allows you to send messages to all your Facebook contacts.