is a format developed by the International Digital Publishing Forum. It is characterized by the XML- and XHTM-based optional use of CSS styling. The main feature of this format is the use of reflowable text (word wrap) which makes it possible to adapt the image to different device displays. The ePub file is a zip-archive with an .epub extension.
Template file created by Microsoft Word, a word processing program; contains default layouts and settings for a document, including styles, AutoText, toolbars, and macros; used as a baseline to create multiple .DOCX documents with the same formatting.