Your physical or digital keyboards present a limited number of character options on the surface. However, there are a few ways to access accented letters, special characters, and more on iOS and Mac.An Apple keyboardThe standard iOS keyboard gives you quick access to upper-case and lower-case letters, the standard numbers, punctuation marks, and characters. There is, of course, a plethora of other characters out there. You can choose from letters with umlauts to an upside-down question mark.Read more