File Extension Library

.EPUB File Extension

  • Developer by: IDPF
  • Category: eBook Files
  • Format: Zip

What are .EPUB files and how to open them?

Can't open .EPUB file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .EPUB file.

What is a .EPUB file extension?

.EPUB file extension is created by IDPF. .EPUB has been classified as eBook Files. The format of .EPUB file is Zip.

.EPUB is Open eBook File

An EPUB file is a digital ebook saved in the EPUB format, an open XML-based format for digital books and publications. It provides a standard digital publication format for publishers and consumers. EPUB files can be viewed with supporting software programs and hardware devices, such as the Sony Reader and Barnes & Noble Nook.

EPUB file open in Calibre 3.7

The EPUB format is based on three open standards, which are all maintained by the International Digital Publishing Forum (IDPF).

  • The Open Publication Structure (OPS), which defines the content markup
  • The Open Packaging Format (OPF), which describes the ebook structure
  • The Open Container Format (OCF), which packages all the ebook files together in a compressed format
  • NOTE: Many commercial ebooks include digital rights management (DRM) protection. These files can only be opened on devices that have been authorized to view the ebook.

    List of all softwares that can open the Open eBook File
    File Viewer Plus
    Adobe Digital Editions
    Geometer Plus FBReader
    Comic Book Reader
    Icecream Ebook Reader
    Microsoft Edge
    Apple Pages
    Adobe Digital Editions
    Geometer Plus FBReader
    Apple iBooks
    Sixty Four Kitabu
    Geometer Plus FBReader
    KDE Okular
    Apple iBooks
    Apple Pages
    File Viewer for Android
    Geometer Plus FBReader
    Google Play Books

    How to fix problems with .EPUB files

    1. You need to update the application that you normally use to open .EPUB files. Only the latest version of the software supports the current .EPUB file format
    2. You need to check the .EPUB file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)