Proplusww.msi -

proplusww.msi is a Microsoft Installer (MSI) package file that is part of the Microsoft Office installation process. The "pro" in the filename stands for "Professional", and "plusww" likely refers to the worldwide (WW) version of the software.

When you run the proplusww.msi file, it initiates the installation process for Microsoft Office Professional Plus. The MSI file contains the necessary files and instructions to install the software on your computer. proplusww.msi