To print POSTNET barcode or Intelligent Mail Barcode in Crystal Reports, what you need is Barcodesoft UFL (User Function Library) and POSTNet / OneCode barcode font. 1. Open DOS prompt. Go to the following folder CD C:\Program Files\Common Files\Barcodesoft\FontUtil Type in the following DOS command to register crUFLbcs.dll
If you use Crystal Reports 9 or above, you can add Barcodesoft formulas to Crystal Repository. Open Barcodesoft.rpt from C:\Program Files\Barcodesoft\Postnetfont folder. Click menu Report ==> Formula Workshop. Right click the formulas you need, choose "Add to Repository" from the context menu as shown. Now, Create a new Formula field as shown below
For more information about POSTNET font, please click POSTNET.