Excel Turns 40 With AI Superpowers: September 2025 Update Brings Game-Changing Features

Microsoft Excel celebrated its 40th anniversary this September with a powerful lineup of AI-driven upgrades that redefine productivity for users across platforms. From smarter formulas to agentic automation, the latest features are designed to make spreadsheet work faster, more intuitive, and deeply collaborative.

What’s New For Web And Windows Users

- Agent Mode in Excel introduces AI that understands native Excel logic, enabling users to automate multi-step tasks, generate visualizations, and refine results iteratively
- Formula completion with Copilot now autocompletes formulas intelligently as soon as you type the equal sign

Fresh Additions For Mac And iOS

- The COPILOT function lets users enter natural language prompts to generate AI-powered results directly in spreadsheets
- iOS users can now preview files with Copilot and receive instant summaries and suggestions
Python Gets A Boost
- Windows Insiders gain access to a Python Initialization Editor, allowing custom startup scripts and logic for advanced users

Sources: Microsoft Community Hub, XDA Developers, Neowin, Business Today, TestingCatalog