I purchased Outlook 2019 & Office 2019 (Word/Powerpoint/Excel). I have authentic 1-off installation keys for both and installed both on my Win 10 installation. I may well be forced to do a clean re-install of Win 10; wiping all the apps and files...
Source:
https://support.microsoft.com/en-us/help/4495300/april-2019-updates-for-microsoft-office
Latest updates for versions of Office that use Windows Installer (MSI) | Microsoft Docs
Latest Office Updates for Windows
Office Online is a collection of free web based applications available to all Microsoft email account users (outlook.com, live.com, hotmail.com, msn.com). It offers basic versions of Microsoft's Office suite of desktop applications. Signing in to...