What I have:
I am using SharePoint online (Office 365).

After adding a group calendar as a web part on my page and clicking on link to the group I get the following information:

Something went wrong
We couldn't find a mailbox for this recipient. Either they don't have a mailbox or don't have a license assigned.

Additional information:
When I search available apps in my Office 365 online Outlook is not there.
Article which I used as a reference:
(Option 5)

What I want to have:
I want to create an Office 365 group calendar, be able to use it from Outlook (installed on desktop) and embed it in my modern page

1 Answer 1


You could go to the Microsoft 365 admin center->Groups, check if the group have a mailbox. Make sure the group has a mailbox.

You could try to create a new Group, then add a group calendar web part in the page. See if it works.

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