Goneaways (National Change of Address NCOA® Suppress) is a term which describes the contacts within your data that have been identified to have moved "away" from the address that you have for them.
Identifying such contacts at a data cleaning stage will:
The Gone Away Suppression (GAS) file can be run through your data at cleaning stage, removing the inaccurate address data so you aren’t wasting time and money sending potentially sensitive material to the wrong address.
Address cleaning with suppression can be used to suppress your data against various datasets, encompassed by comprehensive data files. Data suppression files include the Gone Away file, NCOA® Suppress, bereavement suppression and the TPS and MPS.