请问teams的群发大会是不是必须accept meeting才能进入chat channel?

没法参加但事后想听回放，以前是要点进去meeting才能进入chat channel,只收到invite不会自动进入chat channel吧？

不需要join meeting, 你接受meeting invite 后不参加会议也能看到别人在chat channel 的message.

You can reply as "Maybe" and stay on the chat channel and not being obligated to join the meeting