Aug 27 2016 10:43 AM
It works for AD (hideDLmembership) and unified groups/Office365 groups on cloud (HiddenGroupMembershipEnabled), but didn't find how to do that for traditional DG for Exchange Online. Is it any way to do that?
Aug 14 2018 01:11 PM
SolutionYou might be able to work around the inability to stop the expansion of a group. I tried the following in my Exchange Online lab tenant:
Thanks
Chris
Jul 02 2022 09:17 AM
Chris, thank you. Four years after I implemented this. Better later than never.
Not sure if another technique exists now, at least I didn't find.