What is .EPUB file extension?
.EPUB file extension is a known file type. This section of easyfileopener.com tells you everything you need to know about this extension.
Digital ebook saved in the EPUB format, an open XML-based format for digital books and publications; provides a standard digital publication format for publishers and consumers; can be viewed with supporting software programs and hardware devices, such as the Sony Reader and Barnes & Noble Nook.
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.
You can see a list of software programs here on easyfileopener.com that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.