Open eBook File (.epub) is an e-book file format that provide a standard digital publication format for publishers and consumers. The format has been so common by now that it is supported by many e-readers and software applications.
Learn more about this file format here
GroupDocs.Viewer (in GroupDocs.Viewer.dll) Version: 21.9
public static readonly FileType EPUB
Public Shared ReadOnly EPUB As FileType
static initonly FileType^ EPUB
static val EPUB: FileType