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What is an EPUB file? An EPUB file is a digital book (eBook) saved in the open Electronic Publication (EPUB) format, a standard digital publication format that publishers and consumers use to distribute eBooks. Many users encounter EPUB files when downloading eBooks (such as books, magazines, scientific publications, etc.). You can open an EPUB file with eReader apps, such as Calibre and Apple Books, and devices.

More Information EPUB file open in Apple Books 5 The International Digital Publishing Forum (IDPF) initially released the EPUB format in 2007 as a replacement for the Open eBook (OEB) format. EPUB has undergone several revisions since its release, with its most recent version, 3.3, released in May 2023. The EPUB format is Zip-based and stores resources that make up the publication, including .XML , .XHTML , .NCX , .CSS , and .SVG files. These files contain the publication's contents, including its text, chapter links, cover art, and images. Many commercial eBooks also include digital rights management ( DRM ) protection, which limits viewing to only authorized devices.

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.EPUB File Extension

EPUB eBook

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What is an EPUB file?

An EPUB file is a digital book (eBook) saved in the open Electronic Publication (EPUB) format, a standard digital publication format that publishers and consumers use to distribute eBooks. Many users encounter EPUB files when downloading eBooks (such as books, magazines, scientific publications, etc.). You can open an EPUB file with eReader apps, such as Calibre and Apple Books, and devices.

More Information

EPUB file open in Apple Books 5

The International Digital Publishing Forum (IDPF) initially released the EPUB format in 2007 as a replacement for the Open eBook (OEB) format. EPUB has undergone several revisions since its release, with its most recent version, 3.3, released in May 2023.

The EPUB format is Zip-based and stores resources that make up the publication, including .XML , .XHTML , .NCX , .CSS , and .SVG files. These files contain the publication's contents, including its text, chapter links, cover art, and images. Many commercial eBooks also include digital rights management ( DRM ) protection, which limits viewing to only authorized devices.

How to open an EPUB file

You can open an EPUB file and read the eBook it contains with various apps, including Calibre , Apple Books , Adobe Digital Editions , and Google Play Books.

You can also edit EPUB files with no DRM protection with several apps. One of the most common eBook editors is Calibre.

Opening an EPUB file as a Zip archive

EPUB file renamed as a ZIP file and opened in Windows File Explorer

Since EPUB files store their contents in a Zip-like container format, you can open them with Zip compression utilities. For example, you can open an EPUB file as a Zip archive with Windows File Explorer by renaming the .epub file extension to .zip . You can then extract its contents to view or modify them. However, remember that editing the contents in an EPUB file may corrupt the eBook.

How to convert an EPUB file

Calibre can convert EPUB files to various file types, including the following formats:

Open and view .EPUB files with File Viewer Plus . Free Download

Programs that open EPUB files

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Program Name

Platform

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X

Windows

File Viewer Plus

Get it from Microsoft

Free +

Calibre

Free

Adobe Digital Editions

Free

Comic Book Reader

Free Trial

Icecream Ebook Reader

Free +

Aryson EPUB Converter

Free Trial

Mac

Apple Books

Included with OS

Calibre

Free

Adobe Digital Editions

Free

Sixty Four Kitabu

Discontinued

Free

Aryson EPUB Converter

Free Trial

Linux

Calibre

Free

KDE Okular

Free

iOS

Apple Books

Included with OS

Adobe Digital Editions

Free

Android

File Viewer for Android

Free +

Google Play Books

Free

Adobe Digital Editions

Free

Moon+ Reader

Free +

Chrome OS

Moon+ Reader

Free +

Category: eBook Files

Updated: July 16, 2024

FAQ

What is an EPUB file?
An EPUB file is a digital book (eBook) saved in the open Electronic Publication (EPUB) format, a standard digital publication format that publishers and consumers use to distribute eBooks. Many users encounter EPUB files when downloading eBooks (such as books, magazines, scientific publications, etc.). You can open an EPUB file with eReader apps, such as Calibre and Apple Books, and devices.
How do I open an .epub file?
You can open an EPUB file and read the eBook it contains with various apps, including Calibre, Apple Books, Adobe Digital Editions, and Google Play Books.
How do I convert an .epub file?
Calibre can convert EPUB files to various file types, including the following formats: