Conversations among multiple participants for collaboration and communication in Teams
Hello
My name is Veejay, I'm an Independent Advisor.
If chats are disabled, it means that your admin has disabled the messaging policy to be able to use chat. You can reach out to your Teams/IT admin to confirm it.
You may also check on this link for more information:
https://answers.microsoft.com/en-us/msoffice/fo...
Please let me know if you have any questions or concern.
Thank you