Import File Types

The Source File contains records you want to import. Mail Manager 2010 and Mail Manager 2010 LE
recognize the following file types for importing lists:

USPS Comp. Delivery Sequence (CDS)
Computerized Delivery Sequence files, with updated address information and Walk Sequence data, can be obtained from the USPS along with CDS Conversion Software required for decrypting the files. When using this software, the following settings should be selected in the CDS Options window:

Computerized Delivery Sequence files usually feature a .dat extension.