Microsoft released the April 2020 non-security Microsoft Office updates that come with crash fixes, performance and stability improvements for Windows Installer editions of Office 2016. The updates fix an issue where Word 2016 would crash when trying to save certain documents and an unexpected crash issue impacting OneNote 2016 when the user agent string is longer than 128 characters. April’s updates also patch an issue affecting Microsoft Skype for Business 2016 where HID “flash”” commands are not ignored during Microsoft Teams calls. The list of updates and the Office product they apply to is available below.”
Source: https://www.bleepingcomputer.com/news/microsoft/microsoft-releases-april-2020-office-updates-with-crash-fixes/