Now, if you’ve been stuck trying to learn how to work with text in Photoshop, be sure to check out my next guide oncreating text in Photoshop. It breaks down absolutely everything you need to know when working with text in Photoshop and is the ultimate resource if you’ve ever felt ...
with the underline issue, launch photoshop go to window > character, in the flyout menu make sure that underline is unticked, sounds to me this is currently defaulting, once unticked quit photoshop and relaunch to make sure is has stuck, then in theory all type will not be underlined......