Your software looks interesting however, I am looking for software that will convert a PPT files to a Pub file. Do you offer such an application?
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You can open your PPT file in MS PowerPoint application, save to HTML files, then you can use our VeryDOC HTML to ePub Converter to convert this HTML file to EPUB file easily,
http://www.verydoc.com/html-to-epub.html
you can also convert your PPT file to PDF file first, then you can use our PDF to ePub Converter to convert PDF file to EPUB file again,
http://www.verydoc.com/pdf-to-epub.html
we hoping above products will helpful to you, you may give it a try.
VeryPDF