Microsoft Teams is a unified communication and collaboration platform that combines workplace chat, video conferencing, file storage, and application integration. It is part of the Microsoft 365 suite of products and is available as a desktop app, web app, and mobile app.
Teams allows users to create and join teams, which are groups of people who work together on projects or tasks. Teams can be public, private, or external (meaning they include people from outside of your organization).
Within a team, users can chat, make video calls, share files, and collaborate on documents in real time. Teams also integrates with other Microsoft 365 apps, such as SharePoint, OneDrive, and OneNote, making it easy to access and share files from those apps.