Board Thread:General Discussion/@comment-45198709-20200526012242/@comment-37336800-20200526012743

It isn't, but I'll take a stab.

If by format you mean new lines, press [SHIFT]+[ENTER]. That'll give you a new line instead of sending the message.

If by format you mean markup, you need to get w:c:Dev:ChatTags added to the wiki you want to use the markup on