This xml file carries bibliographic and structural metadata about an epub publication or an epub rendition, and is thus the primary source of information about how to process and display that publication in this file, the reading system will find. This can replace the detection of the format in case the file extension. This specification also defines the epub navigation document, a machine and. The opf file is included in the epub archive to specify the metadata of the associated ebook.
How to open epub files on windows 10 without microsoft edge. This specification defines a file format and processing model for. Ncx xml file that stores the table of contents for the epub ebook. This is a standard type of file and is part of the epub ebook process. Epub format is a very popular, if you have some ebooks in this format, this software is. The open packaging format standard also requires a second. The opf file extension short for the open packaging format. A media type rfc2046 that specifies the type and format of the. It lists all of the contents of your epub, and tells the reading system what order to display the files in. This separate file contains the table of contents for the ebook. The product name, description, and company name are taken from the version information of the.
An epub document is comprised of ops open publication structure, opf open packaging format, ocf open container format, xhtml. Package document and metadata epub 3 best practices book. Its a standard that supports a variety of ebook hardware and software. Epub enables the creation and transport of reflowable digital books and other types of content as single file digital publications that are interoperable between disparate epub compliant reading. The open packaging format is a standard that is a part of the epub ebook specification. I am converting a book i previously converted to kindle format to an epub document and am having trouble with the description that mobipocket creator. The opf files store information for an associated ebook including the title of the ebook, the ebook language, creator, reading order and book id. The opf files are stored in the format of xml and they are part of the epub archive for the ebook. An opf file extension is related to open packaging format, an xmlbased format used to store ebooks. In the following table, you can find a list of programs that can open files with. The actions list is taken from the context menu items added. To celebrate the addition of epub and mobi format versions of most of our books, sitepoint has launched a massive 5 for 1 sale. This list is created by collecting extension information reported by users through the send report option of filetypesman utility. In order for the opf file to function, it also needs a separate ncx xml file.
The epub format has gained some popularity as a vendorindependent xmlbased ebook format. Epub file extension epub is used by ebook in open publication structure ebook format. It includes an ebook reader support for epub files and other popular ebook formats. Its essentially an xml file, although it has the file extension. Epub is an xmlbased ebook publishing format standard, file content is expressed as xhtml.