To open up the finder window to look through your contacts you can easily press Control, Shift, and D. When working with text you can display the formatting menu by pressing Alt + O, make the text bold with Control + B, go with italics with Control + I, and make a larger indentation with Control + T. Logically, you can center text with Control + E, bringing it to left hand alignment with Control + L, and underline the text with Control + U.