Clark Mailing maintains United States Postal Service Coding Accuracy Support System Mail Software. CASS certified software allows us to transform your address files into professional mail files that will travel fast through the increasingly technological postal system - so your mailpieces get delivered efficiently and accurately. We perform USPS required National Change of Address coding so your mailpieces get to your addressees that have moved rapidly - instead of being forwarded or returned wasting time and money.
We accept most popular file formats for importing into our system.
Most clients send us Excel files with components in proper places - such as records are rows and fields are columns. We also accept text files - delimited or fixed field. We have converted many different file formats in our considerable time doing this - including formatted reports that we have extracted the data needed to build a mail list. We have seen it all!