Microsoft Copilot’s 2026 evolution turns what used to be tedious, repeatable work—summarizing long PDFs, triaging inboxes, building slide decks and wrestling spreadsheets—into conversational workflows you can start from a sentence or an uploaded file. What felt like futuristic promise in 2024–2025 is now practical: Copilot is a native assistant across Microsoft 365 apps, and the combination of file grounding, agentic workflows, and expanded context windows means the AI can handle far larger...