Note This update is no longer available. To get the previous fix for the issue in which Setting API doesn't work in the Office JavaScript library, install KB 4475580.
This article describes update 4475551 for Microsoft Office 2016 that was released on August 6, 2019.
Be aware that the update in the Microsoft Download Center applies to the Microsoft Installer (.msi)-based edition of Office 2016. It doesn't apply to the Office 2016 Click-to-Run editions, such as Microsoft Office 365 Home (see What version of Office am I using?).