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Bill Jelen
@MrExcel
Excel MVP, Author of 60 books: Excel, Pivot Tables, Power Pivot, VBA. Publisher at Holy Macro! Books. MrExcel.com. Fan of Bruce Springsteen.
- With @msexcel now offering a native choice between @AnthropicAI Claude Opus 6.3 and @OpenAI GPT 5.2, I show how that Hanks Pizza Copilot commercial would have given even better advice by choosing Claude.
- Microsoft Excel turns 40 on September 30, 2025. To celebrate, I’m giving you 40% off any e-books in the MrExcel Store.Use code excel40 at checkout before midnight, September 30. mrexcel.e-junkie.com
- #Excel turns 40 today! While waiting for the hot new Agent Mode to build an inventory tracker, I created this Excel at 40 song:
