I made offline ChatGPT with *only* Excel Formulas

My boss wanted to add "AI" to our data. So, I made an offline GPT to analyse our budget data and present insights. In this video, let me share the Excel GPT and how I built it. 0:00 - Why I made offline ChatGPT with Excel 1:45 - Chapter 1 - Demo of my offline chatgpt in Excel 3:07 - Chapter 2 - How I made the offline ChatGPT with Excel formulas 8:17 - Chapter 3 - Closer look at the Excel formula 10:26 - Chapter 4 - The end result 11:29 - Chapter 5 - But what if you can't write Excel formulas 🤷‍♂️🤷‍♀️ 📂 Demo file: https://chandoo.org/wp/wp-content/uploads/2025/12/excel-gpt.xlsx Advanced Formula Editor (AFE) for Excel - https://techcommunity.microsoft.com/blog/excelblog/advanced-formula-environment-is-becoming-excel-labs-a-microsoft-garage-project/3736518 Learn more: Excel Pivot Tables https://youtu.be/aofsdpjvK7w Excel Formulas https://youtu.be/dVJFyqI_Nw4 Built- in AI features of Excel (no need for ChatGPT) - https://youtu.be/xGqH__hLVcU My Excel Course: Learn Excel properly and elevate your presence at work with my award-winning Excel School program - https://chandoo.org/wp/excel-school-program/ #chatgpt #excel