Anthropic has expanded its integration with Microsoft 365, enabling its Claude AI assistant to access and analyze content from Microsoft Teams, Outlook, and OneDrive directly within conversations. This update aims to make Claude a more powerful tool for enterprise users by pulling relevant information from key workplace applications without requiring manual uploads. The new integration allows Claude to search and analyze documents stored in OneDrive and SharePoint, as well as retrieve context from email threads in Outlook and chat histories in Microsoft Teams, including channel discussions and meeting summaries. This means users can ask Claude questions like “What was the decision on the Q3 budget?” or “Summarize the feedback from the customer survey last month,” and receive answers grounded in actual company data. The Microsoft 365 connector is now available to all users on the Claude Team and Enterprise plans, though administrators must first enable the integration for their organization before employees can link their accounts. In addition to the Microsoft 365 integration, Anthropic is launching enterprise search, a new feature designed to help Claude navigate data across multiple business systems. Many organizations use a wide array of tools for HR, communications, project management, and customer service, often resulting in fragmented data. Enterprise search enables Claude to unify access to this information, making it easier to onboard new employees, identify internal experts, and analyze trends in customer feedback or employee sentiment. The integration is powered by Anthropic’s Model Context Protocol (MCP), an open-source standard that allows AI applications to securely connect to external data sources and applications. Microsoft has embraced MCP as part of its broader strategy to transform Windows into an AI-first operating system, where computers function more like conversational AI assistants. This partnership builds on existing collaborations between Microsoft and Anthropic. Anthropic’s models already power several Microsoft 365 features, including Copilot Researcher, GitHub Copilot, Copilot Studio, and a new Office Agent that can generate Word and PowerPoint documents directly from chat commands in Microsoft’s Copilot interface. Microsoft’s growing reliance on Anthropic reflects its broader effort to diversify its AI partnerships beyond OpenAI. While the company continues to invest in its own AI models, it is also strategically integrating multiple AI providers to reduce dependency on any single vendor and ensure flexibility and innovation across its product suite.