I have created a mail-enabled security group inside our Office 365 tenant. and i created an Office 365 group, but I am unable to add the mail-enabled security group inside the Office 365 group as member or as owner. Any advice?


1 Answer 1


M365 Groups do not support nesting of any other group. However, there is a newer preview feature which lets you do this:


  • thanks but what you mean by 'do not support testing ...'
    – John John
    Commented Sep 12, 2022 at 16:30

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