Quick Look is one of OS X's best features. Just highlight a file and press the space bar, and you can see a preview of the file. It works best with video and music, but some documents are out in the cold, folders and archives just don't work well, and other file types just don't display properly. With these handy plugins for your Mac, you can use Quick Look on just about any type of file you may want to preview before you open the application required to work with it. More »