Since these versions are unofficial, they do not receive critical security patches . Using an unpatched version of Word exposes you to vulnerabilities where simply opening a document can lead to a system compromise.
A portable application is software designed to run from a removable drive (like a USB stick) without being installed on the host computer’s operating system. Microsoft Office Word Portable Download
: Unofficial portable versions are often bundled with trojans or spyware that can compromise your data. Since these versions are unofficial, they do not
Official "portable" versions of Microsoft Office Word do not exist, as Microsoft requires a full installation for local desktop use Since these versions are unofficial