Relating InfoPath’s Components

You learned in the preceding two chapters that an InfoPath form consists of an InfoPath form template file—also called a solution file—and an XML data document. The template file is a cabinet file with a .xsn extension, similar to a .zip archive file, that contains compressed versions of the files required to define and render InfoPath data documents. WinZip version 8 or later can’t create or extract CAB files, but WinZip can display the contents of a template file, as illustrated by Figure 3-1. When you open the FormName.xsn template file in design mode, InfoPath extracts the files, uncompresses them, and caches their contents in memory automatically. When you save your design changes, InfoPath updates the individual ...

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