I have created a new MS Teams from office 365 central admin site, where i got those created for me:-
- SharePoint modern team site.
- Office 365 group.
so i realize that adding users to the Office 365 group will grant them Edit permission on the sharepoint site. but i changed a user role inside Office 365 group from Member to Owner, but i were surprised that this user got full control on the sharepoint, here is the permission check for the user inside sharepoint advance permission settings:-
Where it say that the user got the full control permission through the sharepoint owner group, although in our case this group is empty. so what is this group exactly? now if i go to the home site >> site permission >> i will find that there is a group named "m.member owners" which have full control and i can not change his permission,as follow:-
so could this group represents the Office 365 group's users who have Owner role? and this Owner role will grant users full control on the sharepoint site? if this is the case them why this group does not show inside the sharepoint advance permission settings as in the Office 365 members case (which have the exact same name as the SP members group)? Thanks
EDIT. here is the "site collection admin" screen, which shows that it contain the sharepoint owner group , where in our case this group does not contain any user, but any owner inside office 365 group will get full permission on the SP site through this empty sharepoint owner group,, how come .......