PDFExec For MS Word - Version 3.3.7 PDFExec for Microsoft Word, with digital signature, is a PDF conversion add-in for the Microsoft Word product. PDFExec converts any Word document into a PDF file. The PDF conversion is initiated through either menus or toolbars within the Microsoft Word product. PDFExec is fast, economical, and feature rich. PDFExec for MS Word also contains a powerful Publish Documents feature. This feature allows you to specify a source directory that contains any number of sub-directories and documents. These documents are automatically converted to PDF and copied to a target directory. The directory structure of the source files is replicated underneath the target directory.