Available with Business Analyst license.
If your input file contains field names that match names which Address Coder uses for items it will be appending, the data in the existing columns will be overwritten.
These stub names include (but are not limited to) GEOCODE, GEOLEVEL, STATE_FIPS, COUNTYFIPS, TAPESTRY, TAPESTDESC, TAP_LEVEL, LONGITUDE, LATITUDE, CBSA_CODE, CBSA_NAME, and MATCH_CODE.