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formulaML is Now Live on Microsoft AppSource: The Journey of an Excel Add-in

·1 min
Excel Formulaml Announcement

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I am proud to announce that my first Excel add-in is live on Microsoft’s AppSource! 🚀

This has been an amazing experience and learned a lot along the way:

  • Microsoft Azure
  • Authentication
  • Javascript (Office.js)
  • htmx
  • Jinja templates
  • more FastAPI

And of course xlwings server by Felix Zumnstein! The documentation is amazing and you can get up and running in minutes.

Just having the add-in wasn’t enough though, then I had to navigate the process to become a MS partner, going through the validation process, and finally reviewing the add-in with Microsoft testing support.

Here’s what drives formulaML: I believe every business analyst should have ML at their fingertips, not hidden behind Python scripts. So I made it work with Excel formulas they already use daily. Building this has been addictive – can’t wait to ship outlier detection and time series analysis next!

Let me know if you have any questions regarding the process of publishing the add-in!