While there is high demand for a version of that requires no installation, Microsoft does not officially offer a "portable" (.exe) version of the software . Most files found online claiming to be "Office 2019 Portable" are unofficial, potentially illegal, and may carry significant security risks.
The Myth of Microsoft Office 2019 Portable The concept of a "portable" version of Microsoft Office 2019—one that requires no installation and runs directly from a USB drive—is a popular request for users seeking convenience and mobility. However, understanding the reality of these versions is crucial for security and legality. Is There an Official Portable Version? OnlyOffice ms office 2019 portable version no need to install