A family of Microsoft word processing software products for creating web, email, and print documents.
What does that have to do with anything? So far, your two replies haven't furthered the thread whatsoever. Is the origin of the software somehow relevant? If it came from the Play Store, would that lead to a different solution than if it came from another location?
I want to know why Word on my Android device can't open Word files that are password protected while third party software has no problem doing it whatsoever.
That's it. That's the problem.