The deafult key to open the chat is T.
Chat with our AI personalities
It is a "photo" that you take while you're playing Minecraft.
On a Minecraft server, chat is always on. If one of your friends can't chat, then it is a problem on their end.
You type in the command in chat /t unclaim while standing in the plot.
Yes. Go to multiplayer settings > Chat= off.
T by default.