You can select your wanted format in the right.
You can click 'Profile' drop-down list to open a list, in which you can input 'MP3' in the search box, then all related MP3 formats will be shown. Also, in the starting interface when you open the program, you are allowed to drag APE files into the right position. You can click 'Add Video' button on the left top in the interface to choose those APE files you need to convert in the dialog to add to this program.
