A big thx to the community, for your opinions.

I will post in about 2 Weeks what direction we have chosen.

Maybe we will make it step by step.

This is my current view:

1.) Office 2010 >>> change to Office  2019 Local Installed on Golden Image

2.) Office 365 Business Premium >>> Appstack

3.) Writeable Volume IAF only (with App Volumes 2006 eg. 4.1) for OST and Searchable Index

FSXlogic: I will test ist, but we bought Vmware App Volumes thats why i would try it with the software we current have

4.) Profile Management Change from Mandatory to Local (Our Mandatory Profile works Perfect with Windows 10x64 1909, and DEM delivers the User Profile Files, i don't know why

the people say Mandatory doesent work, we have no problems )

I will mark the post as closed in about 2 Weeks, maybe there are another opinions which are interesting.

best regards

p.s. sorry for my englisch