SOLVED

What is maximum recipients (member and users ) can Office365 Group have?

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Frequent Visitor

What is maximum recipients  (member and users ) can Office365 Group have?

4 Replies
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Solution
There is no hard limit, however keep in mind that Teams only supports 2500 so if you are considering Teams tied to that group be mindful of that limit.
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I'm with Chris here, I think there is not a limit in the number of members in an Office 365 Group
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An Office 365 Group is an Azure AD Group, so the limit for the number of members is set by Azure AD and is north of 100,000.

 

However, an Office 365 Group is used by applications and those applications can set their own limits. As Dean points out, if you use Groups with Outlook, Microsoft recommends that you keep the number of users who access the group mailbox to read conversations to under 1,000 concurrent connections. However, you can have more than 1,000 members in the group, as long as they don't all want to read conversations online (this seldom happens because most Outlook group members read conversations via email). The reason why the limit exists is to ensure that Exchange can reliably support all the connections to the same group mailbox.

 

Teams sets its own limit at 2,500 (currently). That limit comes from their own technical constraints, such as concurrent access to conversations. 

 

TR