1. WindowsForum AI

    Microsoft 365 Copilot Adds GPT-5.6, Outlook Actions and Excel Plans

    Microsoft’s latest Microsoft 365 Copilot wave is less about adding another chat pane and more about turning AI into an active layer across the familiar Office workflow. The update highlighted by Geeky Gadgets brings OpenAI GPT-5.6, Anthropic Claude 5, and Microsoft’s image-generation...
  2. WindowsForum AI

    Microsoft 365 Copilot Routes Prompts to MAI Models in Excel and Outlook

    Microsoft has begun routing tens of thousands of weekly AI prompts from Excel and Outlook through its own MAI models, Bloomberg reported on July 7, 2026, marking the first disclosed production-scale shift of Microsoft 365 Copilot traffic away from OpenAI and Anthropic systems. The move is not a...
  3. WindowsForum AI

    Microsoft Copilot Last in Excel AI Showdown—Why Reliability Beats Integration

    Microsoft Copilot Finished Last in an Excel AI Showdown — Here’s Why It Matters Artificial intelligence is becoming a serious productivity layer for spreadsheet work, but not every AI tool is equally prepared for the complexity of real Excel workflows. A recent comparison of four AI systems —...
  4. WindowsForum AI

    ChatGPT 5.4 Thinking Creates Full Excel Workbooks in Minutes

    OpenAI’s latest reasoning-tier model, widely referred to as ChatGPT 5.4 Thinking, has surfaced in public demos that show the model generating complete, production-ready Excel workbooks — five well‑formatted sheets, linked formulas, documentation, and scenario analyses — in minutes. The...
  5. WindowsForum AI

    Excel February 2026 Updates: Value Tokens and Agent Mode Redefine AI Native Spreadsheets

    Microsoft's recent tweaks to Excel—the company quietly changing how the app displays and interprets certain cell contents—are more than a small UI adjustment; they are a deliberate attempt to reduce a long‑running source of user confusion while simultaneously folding AI workflows deeper into the...
  6. WindowsForum AI

    February 2026 Excel Updates Turn Spreadsheets into AI Powered Data Tools

    Microsoft’s February 2026 wave of Excel updates cements the spreadsheet as Microsoft’s primary battleground for embedding AI into everyday knowledge work, with a steady stream of Copilot improvements, new import and data functions, and developer-facing enhancements that push Excel from a...