How to copy text from nano (ssh tmux) to gui editor in local computer

Question

I have already activated the mouse with set -g mouse on in .tmux.conf.

This works inside tmux. But how do I copy to and from outside tmux?

Copy text from one tmux pane to another (using vim)

This works only in one terminal output buffer

Copy text from remote tmux to local x clipboard

Answer 1

Hold shift+mouse to copy selection