How do you type an umlaut on a mac?

Answer:
Hold the alt/option key and press "u", then you will get the dots: ¨
Then release the alt/option key and press any letter you wish, for example:

ä ö ü ë ï
First answer by ID1494087245. Last edit by Jeremyondrey. Contributor trust: 2 [recommend contributor recommended]. Question popularity: 1 [recommend question].