Errors involving a missing typically occur when a Microsoft Office installation or update cannot find the necessary language-specific installation package. This file is part of the Multilingual User Interface (MUI) component, which allows the Office interface to be displayed in different languages. Recommended Solutions
Officemui.msi is a legitimate Microsoft Office installation package, specifically designed for multilingual environments. The ".msi" extension indicates that it is a Windows Installer package file. This file is used to install the Microsoft Office suite, including various language packs, on a computer. Officemui.msi Download