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Cannot invite external user to Office365 group

Killerbe 50 Reputation points
2023-10-18T10:30:47.1266667+00:00

External sharing is enabled everywhere i look (Entra AD, Office365 admin center (external collaboration and Office365 groups), SharePoint Sharing Policy), yet i am unable to invite an external user.

We can share the SharePoint site to an external user, in which that user receives an invitation, whereafter he has verify his identity with an access code. But this is a secure link, and we do not see the external user in the members list of the SharePoint site. I am owner of the group, but do not see the group appearing in Outlook web client. When i go to all groups, I am able to find the group and manage memberships, however i can only add members which are member of Entra AD. When i type the address of an external user, i get no matches found. The only way i can see this working is by inviting the external users to Entra AD, and adding them to the Office365 group.

https://www.sharepointdiary.com/2021/04/how-to-add-an-external-user-to-microsoft-365-group.html#:~:text=From%20the%20left%20navigation%20pane,check%20boxes%20are%20both%20checked.

What am i missing here?

Microsoft 365
Microsoft 365
Formerly Office 365, is a line of subscription services offered by Microsoft which adds to and includes the Microsoft Office product line.
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SharePoint
SharePoint
A group of Microsoft Products and technologies used for sharing and managing content, knowledge, and applications.
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2 answers

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  1. Akshay-MSFT 17,656 Reputation points Microsoft Employee
    2023-10-20T09:24:08.61+00:00

    @Killerbe

    Thank you for posting your query on Microsoft Q&A. From above description I could understand that you are trying to add guest user to M365 group via Sharepoint site invitation.

    Please do correct me if this is not the case by responding in the comments section.

    As per Invite users for SharePoint collaboration Site access is controlled through the associated Microsoft 365 group and guests can't be added to the Microsoft 365 group from the site. For information about how to add guest to a group.

    Kindly follow see Adding guests to Microsoft 365 Groups to add users to M365 groups.

    Thanks,

    Akshay Kaushik

    Please "Accept the answer" (Yes), and share your feedback if the suggestion answers you’re your query. This will help us and others in the community as well.

  2. Yanli Jiang - MSFT 24,356 Reputation points Microsoft Vendor
    2023-10-20T09:52:30.0066667+00:00

    Hi @Jurgen De Greyt ,

    Unfortunately, I don't reproduce your situation.

    If you can't see the group, it may be because there are too many groups. You can see it by expanding it.

    For the inability to add external users, let's do some troubleshooting:

    1. Ensure that the Let group owners add people outside your organization to Microsoft 365 Groups as guests and Let guest group members access group content check boxes are both checked.

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    1. Whether restrictions on the domain have been set:

    User's image

    Hope this helps.

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