Related topics
Sign in with Microsoft
Sign in or create an account.
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.

This feature allows you to start a chat using your existing distribution list, M365 group, or a mail-enabled security group with a maximum limit of 250 members to a group chat. 

To do so: 

  1. Go to the chat list, and select New Chat Blue chat icon .

  2. Type an existing group name into the To: field. 

  3. Select from a distribution list, M365 group, or mail-security group to add new chat members to the existing group chat in Microsoft Teams.


  • Admin controls to disable this feature are coming soon.

  • Dynamic distribution groups are not supported.

  • Adding a distribution group and expanding it in an existing chat is not currently supported.

Need more help?

Want more options?

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Was this information helpful?

What affected your experience?

Thank you for your feedback!