To view the attendee tracking just click on the meeting and you will see on the right hand side of the window a list of attendees where you can see those who have accepted or declined the meeting.
right-click on the meeting and choose copy link.
Start 1:1 or group calls with anyone in your organization, wherever you are in Microsoft Teams.
Start Calls Select Audio Call or Video Call to start a call from a Chat.
In the command field, type "/ call" and choose the person you want to reach.
Hover the mouse over a person's profile picture anywhere in Teams and select Audio Call in their contact card.
Although you can't delete an entire chat, you can hide a chat from your chat list if it doesn't concern you anymore. Select the chat you want to hide, then More options > Hide .
. If you need to go back and delete something you have just sent, go to the message and select More Options Button More Options>; Delete .
Attract a person's attention
Enter a message in a reply or start a new conversation. Type @ and the person's name.
Select the name of the person you wish to mention.
Finish your message and select Send .
Attract the attention of an entire team or chain
Type @ team or @ channel .
Select the team or channel you wish to mention.
Finish your message and select Send .