This is something that has been raised in the past on other platforms: https://answers.microsoft.com/en-us/msoffice/forum/all/office-365-on-linux/262e3066-a71e-4af7-9600-af9f8d0746b6
Opening it aga...
What do you guys think about the open-source web wrapper tools like unofficial-webapp-office or Office365WebDesktop (link below) as lightweight stop-gap solutions?
https://github.com/sirredbeard/unofficial-webapp-office
https://snapcraft.io/office365webdesktop