Reckless Invention

when i first tried express inv. i inputted some fake data. i liked the prog so i then inputted proper data. i just bought express accounts and tried to 'migrate from express invoice.' all it has done is import the old fake data from express invoice i presume it has accessed a folder the original installation of express invoice used to store data cant find any folders on my mac whatsoever that contain files relating to nch express invoice or accounts!!!! helpp!!!!