Microsoft’s Copilot has evolved from a curious chatbot experiment into a sprawling, multi-surface productivity platform that now sits in Windows, Edge, mobile apps, Microsoft 365 and Azure tooling — and its capabilities span conversational drafting, multimodal image and audio generation, in‑app document assistance, and even limited autonomous task automation. The most important recent shift is that Copilot is no longer a single “Bing Chat” personality: Microsoft now routes queries to an...