Most searches for this component arise due to a . This occurs when you try to install a 64-bit version of an Office product (like Project or Visio ) on a system that already has 32-bit remnants of the Extensibility Component. Common Error Scenario Typical Cause Recommended Solution "We can't install the 64-bit version..." Existing 32-bit Extensibility Component.

Uninstall the 32-bit component using the Windows Installer folder. Existing 64-bit Extensibility Component. Uninstall the 64-bit registration file. Feature Integration Failure Missing or corrupted Extensibility Component. Run an Online Repair of the entire Office suite. How to Properly "Download" or Install the Component

: If the component is missing or broken, navigating to Settings > Apps > Microsoft Office > Modify > Online Repair will re-download and re-install all necessary background components. Resolving Installation Blocks (Uninstalling) What is Office 16 click to run extensibility component?

: When you install the 32-bit version of Office 2016 , this component is installed automatically.