Toolbar + Insert the horizontal Line

Please inform the procedure to show the Toolbar (menu with Insert, Format text, etc …) when ANSWERING a certain message.
Also inform how to enable / insert the Horizontal Line to split the messages.
Awaiting …

You will find most of the options by clicking the More button on the right of the toolbar.


Not sure what you means by splitting messages. Maybe you could explain a bit more Idacil.

I would like the ability to insert a full width horizontal line as well, is there a way?

Insert the Horizontal Line to split the message…

Also works for a reply.