Over the last 1-2 days I have been busy trying to install Office 365.
The installation went fine.
each and every time only the 'online version' of Office was added to the Start10-menu, i.e. Outlook, Excel running within Edge Chromium instead of the actual application: Excel.exe, Outlook.exe, etc.
No other applications were installed, only Start10 and Edge Chromium.
After a Windows reset, removing all settings, Office was installed properly.
Start10 was not running then.
I installed Office on a clean Windows 10 VM (VMware Workstation)
(clean=identical to a the situation after a reset)
Again, installation went fine.
So, one way or the other the actual applications (.exe files) do not end up the Start10 menu.
Left is how Start10 looks after installing Office 365
On the right: I searched for the .exe, r-click and pin to Start10
Took me a while and with the help of others I figured this out.
(Windows 10 x64 18363.657)