Hi Robert,
To completely uninstall your Office applications, we suggest you use the “easy fix” tool from this article.
To uninstall Office 16 Click-to-Run Extensibility Component 64-bit Registration, please try the steps below:
- Press Win + R to open the Run window, type “installer” and click Enter to open the folder in File Explorer.
- Add the column “Subject”. Right click the column headers, then click More and select Subject
- Sort on the Subject column and scroll down until you locate the name “Office 16 Click-to-Run Extensibility Component 64-bit Registration”.
- Right click the MSI file and choose uninstall.
Regards,
Jiaxing