E-books come in many different forms. Some common forms include: 1 txt1: The txt1 file is the most basic e-book format that only contains text content. 2 docx:docx file is the format of a Word document, commonly used for the layout of e-books. The 3DOC:DOC file is a format of a Word document commonly used in e-book typography. <strong></strong> 5 zip: A zip file is a compressed file format that can contain multiple files and folder. In addition, there are many other e-books such as ePub, eReader, docx, xls, etc. The creation of e-books could be done manually or with some e-book creation software. Commonly used e-book creation software included the likes of the iPhone, iPhone Using these software, you can create, edit, format, and export e-books to different format files such as PDFs, ePub, and so on. However, creating an e-book requires a certain amount of technical knowledge and experience. If you are not familiar with computer programming or digital image processing, it is recommended to learn the relevant skills before operating.