Microsoft adds AI agents to Copilot in Word Excel and Teams

Microsoft's Copilot Wave 3 launches AI agents that handle multi-step workflows in Word, Excel, PowerPoint, and Outlook. Agents use file, email, and calendar context to draft documents or analyze data autonomously. Supports Claude and OpenAI models. Agent 365 management costs $15/user/month, launching May 1. Shifts from single prompts to full enterprise-grade automation.