Quoting Removed, click Modern View to see
You don't need two windows open at the same time to copy and paste:
- Open the archived message in your browser
- Right mouse click anywhere on the URL in the address bar and then left click on Copy in the pop-up menu that appears. The hghlighted text is copied and saved on your system "clipboard".
- Now open a new topic and right click in the message box and click on Paste in the popup menu. The saved contents from the clipboard are pasted into the new message at the current cursor position.