How do I delete a chat message in Microsoft Teams?
All Microsoft Teams users can edit and delete sent messages. Deleting all messages at once is not possible. However, you can delete messages one by one.
Delete a Microsoft Teams message
Delete: Press the 3 dots after a typed message and then select delete.
Modifying a Microsoft Teams message
Modify: Go to the message and choose More options, Edit. Make changes to your message and then press Enter to save the update.
Chat delete as user?
It is not possible to delete your chat history within Microsoft Teams. What you can do is 'mute' it. But this does not give you the option of deleting all traces.
Administrators: not allowing users to edit their sent messages?
Browse to: https://admin.teams.microsoft.com/policies/messaging/edit - Adjust the policy and make sure this option is disabled. "Edit send messages"
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