If the goal is portability without the risks of malware or piracy, users should turn to official solutions and alternative software.

solutions, discovering that the "best" way to stay mobile wasn't a single magic file, but a suite of tools designed to follow him anywhere. The Portable Toolkit He started with the Microsoft 365 app

As he rummaged through his bag, he remembered that he had downloaded Microsoft Office Portable on his USB drive. He had heard great things about it being the best portable office suite available, and he was about to find out why.

LibreOffice is a free, open-source office suite. It's the successor project to OpenOffice and is compatible with Microsoft Office/ LibreOffice Download it from Uptodown for free - FocusWriter Portable