How do I uninstall BusyContacts?
To uninstall BusyContacts, launch BusyContacts while holding down the option key to display the Startup Options dialog, then select Reset BusyContacts and click Continue. Resetting BusyContacts will delete the BusyContacts database, and quit. All of your contacts will be preserved on iCloud, Exchange and/or Google. You may then drag the BusyContacts app to the Trash.