The DNL files are classified as e-book files that were introduced by DNAML which is an Australian-based software development company. The DNL files are basically used for eBooks, they may also be used for ePresentations, eBrochures, eCatalogs, eCards, and photo albums. Over the past decade, the DNAML has created state-of-the-art products in the field of electronic publishing, based around its document-authoring systems, reseller systems, it’s distribution solutions, and publishing conversion tools. The DNL eBook format is one of the best products by DNAML developers. In fact, the DNL consists of compressed raw text, image, and navigation data; protected using digital rights management (DRM).