mui_english_2016_x86_x64.exe or mui_enu_2016.msi The exact name depends on your source (MSDN, Volume Licensing, or Office Deployment Tool).
Here is the breakdown of the terminology: microsoft office shared mui -english- 2016
A common misconception is that MUI packs are only for foreign languages. If you install Office 2016 in the United States, you might wonder why there is a "MUI -English-" entry. Why isn't English just built-in? mui_english_2016_x86_x64
component of Office 2016. It is not a standalone app like Word or Excel, but rather a "shared" language layer that allows the Office suite to display menus, help files, and dialog boxes in English. Microsoft Learn Component Overview What it does: Why isn't English just built-in
Because this component is a core part of the English Office 2016 experience, its value is tied to the suite itself. Microsoft Support