rich text editorⁱ tool. highlight the text you wish to underline, then click on the underline iconⁱ.

rich text editorⁱ tool. Click the undo icon to undo the last action taken (actions taken include icons pressed, and text added, changed, or removed). You may also hold down the Ctrl key on your keyboard while pressing the "Z" key to undo the last action.

rich text editorⁱ tool. Highlight a link you have created, then click the unlink iconⁱ to remove the link.

rich text editorⁱ tool. Click the unordered list iconⁱ to turn the text at the current cursor position into a list item. This will indent the text, and place a small dot at the beginning. Press the enter key on your keyboard at the end of a line to add a new list item.