First on the right side of your BB Text Editor click on “Show More” located on the right side of the Text Editor.
Highlight the text that you want linked. The chain link should light up. Click on the chain link for a pop-up.
Paste the desired URL into the Link Path box and in Target select “Open in New Window (_blank)“. Click Insert when finished.
Your text should become blue and underlined. Now when it is clicked the link will open in a new page.