Photoshop treats text as an image layer, so you must use the Character Panel.
If you need a fancy underline (e.g., a thick yellow line behind black text):
Underlining text in Adobe software varies significantly depending on whether you are working in , Photoshop , Illustrator , or InDesign . While some tools treat underlining as a simple font style, others treat it as a document annotation. 1. How to Underline in Adobe Acrobat (PDFs) how to underline in adobe
Illustrator’s underlining is built into the Character panel.
Go to the Tools menu and select Comment . Click the Underline Text icon (a 'U' with a line) and drag your cursor over the text. You can right-click the line to change its color or style (e.g., squiggly for grammar). Photoshop treats text as an image layer, so
You can’t style the underline directly (thickness, color) in the panel. Instead:
In Acrobat, underlining is typically used for (reviewing and marking up) rather than permanent document formatting. Click the Underline Text icon (a 'U' with
You can also find these options in the Properties panel under Type Options after selecting a text layer. 3. How to Underline in Adobe Illustrator
This gives you wavy lines, dotted lines, or even gradient underlines that make your text stand out.
InDesign makes underlining super flexible.