Microsoft w/ C++ to Deliver Office Across Different Platforms, Part I

on YouTube ↗01h 00m

" summary

Claims using C++ to run Office and PowerBI from a single modern C++ source base across iOS Android Windows and Mac; tools include VC++ and Clang/LLVM, MVVM viewmodels, compositing backends and a single build lab. Office for iPad hits 35 million downloads. Actual sharing ends up surprisingly low—roughly 30% shared C++ code in many apps—so substantial platform‑specific UI and mini‑PALs are required but the approach still delivers high‑fidelity cross‑platform builds.

AI-written summary · about

" chapters (11)

1. 0:00Office cross-platform journey
2. 3:12Microsoft Office history
3. 17:54Cross-platform requirements
4. 27:17Technical strategy for Office
5. 30:24Rebuilding legacy codebase
6. 36:56Legacy codebase validation
7. 37:36Office layered architecture
8. 43:12Platform obstruction lessons
9. 48:12Rendering and performance challenges
10. 53:49Thin UI layers
11. 59:15Final thoughts and Q&A

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