According to documentation from Microsoft Learn , the MUI technology enables several key functionalities:
: Localized resources are typically stored in .mui files co-located with the main application binaries.
In the past, if you wanted a French version of Office, you had to buy the French-specific binary. Today, MUI packages act as "add-ons" to the core software. They contain the specific strings, dialog boxes, help files, and proofing tools (like spell check) required for a specific language. microsoft office shared mui -english- 2016
When you see the entry in your installed programs list (or within a configuration XML file), you are looking at the foundational English language pack for the shared components of the Office suite.
It is now 2026, and Office 2016 is officially a legacy product (mainstream support ended in 2020, extended support ends in 2025). However, millions of machines still run it, particularly in enterprise environments with volume licensing. According to documentation from Microsoft Learn , the
If you suspect it is damaged, repair it through official channels. And if you are migrating to a newer Office version, perform a full, clean uninstall of all Office 2016 components—including the Shared MUI—to start fresh. Your productivity depends on it.
Office 2016 MUI components are not officially sold separately for retail; they are part of volume license or MSDN subscriptions. For a single retail copy, you usually can’t install a different UI language without a full language pack or changing the OS display language. They contain the specific strings, dialog boxes, help
: Highlighting text and right-clicking allows for an instant web search via Bing directly within the document.
: Microsoft Support notes that extended support for most editions of Office 2016 ended on October 14, 2025 .
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