XDA Developers on MSN

I used to hate complex spreadsheet formulas and then I found Python in Excel

Excel is my database, Python is my brain.
How-To Geek on MSN

Why your old Excel spreadsheet is 'legacy code' (and how to fix it)

Transform legacy spreadsheets into maintainable, automated tools that scale and survive the test of time.
GitHub

ClosedXML is a .NET library for reading, manipulating and writing Excel 2007+ (.xlsx, .xlsm) files. It aims to provide an intuitive and user-friendly interface to dealing with ...

The public API is still not stable and it is a very good idea to read release notes and migration guide before each update. Performance matters mostly for large files. For small files, few ms here or ...
GitHub

GitHub - ebootheee/excel-to-engine: Convert complex financial Excel models into JavaScript computation engines with auto-generated test suites. A Claude Code skill. · GitHub

Excel File (.xlsx) │ ┌─────────────────┐ │ Phase 1: Parse │ excel-parser.mjs reads cells, detects inputs/outputs, │ & Analyze │ identifies financial patterns (IRR, waterfall, DCF ...
Windows Report

Microsoft Adds Faster File Search to Word, Excel, and PowerPoint Web Apps

If you ever felt it was daunting to search your files in Office web apps, the latest update from Microsoft will ease that headache a little. In the latest Tech Community blog post, Microsoft announced ...