It still writes hundreds of registry keys. If you run it from a USB drive on a different computer, the registry entries remain on that host machine. Uninstalling is nearly impossible without leaving digital garbage.
Microsoft Office 2019 is a one-time purchase version of the productivity suite, often referred to as "perpetual" because it does not require a subscription microsoft-office-2019-portable
Microsoft Office 2019 Portable offers a unique way to handle productivity on the go, but it comes at the cost of security and official support. For most users, the or a standard installation of a lifetime license remains the safer and more reliable choice for professional work. It still writes hundreds of registry keys
Microsoft Office 2019 "Portable" refers to a version of the software that can be run from a removable storage device, like a USB drive, without needing a traditional full installation on a host computer. Microsoft Office 2019 is a one-time purchase version
However, a specific variation of this software frequently circulates on internet forums and file-sharing sites: