Skills
Microsoft Copilot Cowork GA: Long-Running Multi-Step Autonomous Agents in M365, Built with Anthropic Claude
Copilot Cowork, built in collaboration with Anthropic, reached general availability as part of the E7 launch on May 1. It moves M365 Copilot from prompt-response to multi-step autonomous execution: breaking complex requests into steps, reasoning across tools and files, and carrying work forward with visible progress. Claude is now available across the full Copilot Chat experience, not just Researcher and Excel. For builders: Microsoft's shift from OpenAI-exclusive to multi-model (Claude in the full Copilot stack) is a structural change in how enterprise AI gets deployed.
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