Uses web services from USPS to take an address, verify it, find the zip+4, and format it in the standard fashion (abreviations, etc.) that USPS wants addresses in. You can copy the formatted address into the system clipboard for ease of integration with other applications. Also looks up and displays the following information with your address: Carrier Route, County, Delivery Point, Check Digit, LAC, eLOT, eLOT Ascending/Descending Indicator, Record Type Code, PMB Designator, PMB Number, Default Flag, and EWS Flag.