User-defined data and structured data can be written, changed etc to create different fields such as contact information, billing, transaction, and product info. User-defined data and structured data can also be stored in the file to create database references. A user data stamp is able to store different data, which is then later used by other stamp files to modify it. Power PDF has a set of powerful features including: Stamping Custom Fields in PDF. You can create PDF labels or any type of custom data to be stamped on a PDF. To stamp a data field, click the Pencil or Stamp button shown in the image below. Stamping Custom Field in Power PDF Stamping Data in Power PDF Stating Custom Data Custom fields can be created by using a variety of formats including: RTF and OpenOffice Word. Pressing the Pencil button and moving the mouse over a button will create a click-drag gesture to stamp any custom data custom fields on a PDF Document You can also stamp the original source PDF and then modify it Stamping Data in Power PDF Stating Data in Power PDF Using a Macro To stamp the data on a document, you need to add a macro or macro code to the source document: Insert a macro on the desired field: Press Ctrl-Shift-T Stamping Macro in Power PDF Stamping on a PDF using Power PDF will use a macro to stamp the custom data in the source document. You can add as many or as few macros to each source file. Custom Data Stamping in Power PDF will stamp your entire document in custom data using a macro. Stamping Macro in Power PDF Stamping Custom data in Power PDF Using a VBA Function The code is not only used, but also the data is created. If you need to create your own custom fields, or to make any custom processing of custom data, then you can use VBA. Stamping data in Power PDF with Power Macro Stamping Custom Data in Power PDF using Power VBA Stamping Data for Power PDF — Koufax Power PDF Advanced Power PDF Advanced will add an extra layer of flexibility to this process. To do so, there is an extra feature that enables you to stamp a custom field with another custom field.