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Microsoft Just Partnered With Anthropic on Copilot Cowork — And It Changes Everything

Microsoft stopped being an AI assistant company today. It became an AI agent company. On Monday, Microsoft announced Copilot Cowork — built in close collaboration with Anthropic — a tool that autonomously handles complex, multi-step tasks inside Microsoft 365. No babysitting. No back-and-forth prompting. You hand it a project brief, and it gets to work. This isn’t another product update. This is the world’s largest software company admitting that Anthropic built something so good, integration beat competition. And in doing so, Microsoft may have just fired the starting gun on the enterprise AI agent wars. ...

March 9, 2026 · 6 min · DBBS Tech