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Written by Richard Quatier

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Categories: Teams

May 12, 2020

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Updated Feature: Group chat with up to 250 people

From Microsoft Corporation

MC211658, Stay Informed, Published date: May 1, 2020

We’re increasing the maximum chat size from 100 to 250 in response to customer requests.

This message is associated with Microsoft 365 Roadmap ID 63577.

When this will happen

We will be rolling this out to from early May to mid-May.How this affects your organization

Private chats in your tenant will be able accommodate up to 250 people. 

If a user has more than 20 people in a chat, the following chat features are turned off: Outlook automatic replies and Teams status messages; typing indicator; video and audio calling; sharing; and read receipts.What you need to do to prepare

You might want to update your user documentation and training. 

  • It is not possible to customize the chat size limit; however, if you feel that you need to turn off chat you can do so in the Teams messaging policies.
  • This does not affect the maximum limit (20) for the number of people in a video or audio call.
  • This does not affect the maximum limit (10) for file attachments.

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