Python in Excel: Building Custom Add-Ins and Plugins for Enterprise Use

Reactive Publishing
Take Excel beyond its limits, and build enterprise-grade solutions with Python.
In the modern workplace, Excel is everywhere. But when workflows become mission-critical and scalability matters, spreadsheets alone aren’t enough. In Python in Excel: Building Custom Add-Ins and Plugins for Enterprise Use, you’ll learn how to convert your Excel workbooks into powerful, modular business tools, ready for deployment across teams, departments, and entire organizations.
Whether you’re a systems analyst, software engineer, business leader, or finance expert, this book shows you how to weaponize Python’s flexibility inside the world's most ubiquitous tool: Microsoft Excel.
You’ll learn how to:

• Create custom functions (UDFs) using Python for advanced, reusable logic
• Develop enterprise-ready Excel Add-ins with Python and JavaScript
• Build Python-powered Excel plugins with graphical interfaces
• Deploy solutions securely across teams without exposing raw code
• Automate cross-platform tasks using Office Scripts, COM, and Python APIs
• Connect Excel to cloud services, APIs, and real-time databases
• Implement version control and structured releases for plugin distribution
• Ensure compatibility with Microsoft 365, desktop Excel, and Excel Online

With hands-on examples and real-world case studies, this guide equips you to elevate Excel from a static tool to a dynamic, enterprise-integrated platform.
If your organization lives in Excel, but needs it to do more, this is the book that shows you how to build tools that scale.