Take an ordinary, unencrypted .docx file on your computer, duplicate it, and rename the copy's extension from .docx to .zip. Your archive tool of choice will open it without complaint, and Windows itself can open and extract ZIP files without additional software. That's how a modern Word document is packaged, and it's been that way since Office 2007. When I opened document.xml from my test file, whole sentences from the document were sitting there in readable text inside elements. A Word document is a package, not a black boxThis trick doesn't require special software.