Microsoft released the July 2020 non-security Microsoft Office updates with improvements and fixes for issues impacting Windows Installer (MSI) editions of Office 2016 and Office 2013 products. The July 2020 updates can be manually downloaded and installed from the Microsoft Download Center, via the Microsoft Update Catalog as standalone packages, or by using Microsoft Update service for automatic installation. The full list of updates and the Office product they apply to is available in the table embedded below. These Office updates apply to Microsoft Installer (.msi)-based Office products only, and do not apply to Office subscription.
Source: https://www.bleepingcomputer.com/news/microsoft/microsoft-fixes-word-skype-hangs-in-july-office-2020-updates/