Rename maildat files in presort folder
Download this command here, then extract the two files into the C:\Program Files (x86)\AccuZIP6 5.0\Commands folder.
While running the command, you'll be prompted to browse to your presort folder and select the maildat.hdr file.
Your maildat files will go from this:
maildat.cpt
to something similar to this:
maildat_5bt0znoi.cpt
