To encode WAVE files to OGG files, press "Encode Format" button, followed by choosing "OGG", followed by clicking "Ok" button, followed by clicking "Encode" button.

This software will store the information of the files to be converted in the playlist and then the files will be converted to OGG files automatically unless you click "Stop" button. The converted files will be stored in the folder you have select in output directory.

Ease Audio Converter Plus will create OGG files as specified in options.