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How to Fix Cannot Create a Microsoft Teams Team from an Existing Public Group

Phi Hung Vo Oct 22, 2026 868 views

Question details

The user is unable to create a new Microsoft Teams team using an existing Microsoft 365 public group.

Product: Microsoft Teams
Device & OS: not provided
Scenario: Attempting to generate a new Microsoft Teams workspace by converting or linking an existing Microsoft 365 public group.
Observed behavior: The option to create a team from the selected public group is unavailable, hidden, or greyed out.

Before you start

Ensure you have owner permissions for the Microsoft 365 public group in question, as standard members cannot convert a group into a Microsoft Team.

Solution 1Recommended

Verify Group Prerequisites and Limitations

Check if your existing public group meets the specific Microsoft Teams conversion requirements regarding member count and creation origin.

Microsoft Teams has strict limitations on which existing groups can be converted into teams. If a group exceeds member capacity, was created on an incompatible platform, or has already been used, the creation option will be disabled.

Check the group member count

Navigate to your Microsoft 365 Admin Center or Outlook group settings and ensure your existing public group has fewer than 10,000 members.

Verify the group's creation source

Confirm that the group was not originally created through Yammer. Yammer-created Microsoft 365 groups cannot be directly converted into a Team.

Check for existing team associations

Review the group to ensure it has not already been used to create another team within your organization's Microsoft Teams environment.

Verify Group Prerequisites and Limitations

Test with a New Group: If you meet all the criteria but still face issues, try creating a brand-new Microsoft 365 group and see if the option to create a team becomes available. This helps isolate whether the issue is with the specific group or your tenant settings.

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Frequently Asked Questions

Why is my Microsoft 365 group not showing up in the Teams creation menu?

Your group will not appear if it contains more than 10,000 members, was created via a Yammer community, or has already been linked to an existing Microsoft Team workspace.

Can I increase the 10,000 member limit for creating a Team from a group?

No, the 10,000 member capacity is a strict system limitation set by Microsoft for converting a Microsoft 365 group into a Team. You must reduce the member count or create a new, smaller group.

How do I know if my Microsoft 365 group was created in Yammer?

You can verify the group's origin by logging into the Microsoft 365 Admin Center, selecting 'Teams & groups', and checking the properties of the active groups. If it is tied to a Yammer network, it will be indicated in the group details.

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