Microsoft does not offer an official "portable" version of . Official versions are designed for permanent installation on a device through the Office Deployment Tool (ODT) using a "Click-to-Run" method.
The name itself is a collection of buzzwords that promise the impossible. You get the long-term support of LTSC, the full application suite of Pro Plus, and the no-install freedom of a portable app—all in one 600MB download. microsoft office ltsc pro plus 2021 portable
A "portable" version of software is modified to run without a traditional installation process. Usually packaged as a single executable ( .exe ) or a folder on a USB drive, it offers several unique advantages: Office LTSC Professional Plus 2021 Microsoft does not
Factory floor controllers, medical devices, or research lab PCs. You get the long-term support of LTSC, the
Any version of this software claiming to be "portable" (i.e., running without installation from a USB drive) is likely a third-party modification that violates the Microsoft Software License Terms . Overview of Office LTSC 2021 - Microsoft Learn