Microsoft released the July 2019 non-security Microsoft Office updates with improvements and fixes for the Windows Installer (MSI) editions of Office 2010, Office 2013, and Office 2016. The updates are available for download via Microsoft’s Update service and from the Download Center for manual installation. They do not apply to the Click-to-Run versions of the apps, such as Microsoft Office 365 Home. Some of them also add improvements, enhance security and stability, and fix issues impacting the entire suite of apps.
Source: https://www.bleepingcomputer.com/news/microsoft/microsoft-issues-july-2019-office-updates-with-fixes-improvements/