Microsoft's all-in-one chat, video, and collaboration hub — the default choice for companies already on Microsoft 365.
Visit Microsoft TeamsTeams' biggest advantage is bundling — if a company already pays for Microsoft 365, Teams is effectively free and deeply wired into Outlook, SharePoint, and Office apps. Outside the Microsoft ecosystem it feels heavier and less intuitive than Slack, which is the more common complaint from non-Microsoft-native teams.