Well, I uninstalled Webex Teams and installed an old copy of the Webex Meetings App, and then all worked again. I was a bit scared to update that app when it said it had another update pending, but after a while I had to do it, and then it turned out...

I really have no idea who that would be in our organization, but I will let the support desk know and maybe they can do something.Thanks.Douwe

Thank you for your answer, but no, unfortunately that is not the problem. Others were using chat to communicate. Only when you log on to the meeting using the webex desktop tool, you do not see the chatroom. Logging off and then using the webex hyper...