Ciao, non riesco più ad attivare la chat in un canale e inoltre non riesco a condividere nessun documento

Hello Michele Nappi,

Good morning!

Thank you for publishing in Microsoft Community. We are happy to help you. Based on the description you have shared; we understand that you can no longer activate chat in a channel and also you cannot share any documents

Typically check in your teams on the web if you are facing the same issue if yes that means you don't don't have the right permission so you won't be able to activate chat. Check with your admin to ensure you have the necessary rights. Sometimes, chat might be disabled in the channel settings. Double-check these settings to ensure chat is enabled check it with your admin or owner of channel. Reference: Manage channel policies in Microsoft Teams - Microsoft Teams | Microsoft Learn Note : Double check with the owner of the channel or the admin (IT department) if there is not any custom restriction and let us knowWe look forward to your reply. This requested information will help us narrow down the scenario and find the right troubleshooting. We will continue to assist you based on the information you provide. I sincerely appreciate your patience and cooperation.SincerelyEben Ezer Tres | Microsoft Community Moderator