A daily updated filename extension database!

EPUB file extension

The table below provides useful information about the .epub file extension. It answers questions such as:

  • What is the .epub file?
  • What program do I need to open a .epub file?
  • How can the .epub file be opened, edited or printed?
  • How can I convert .epub files to another format?

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ Open eBook Document

Open eBook Document .epub file icon
EPUB file is an Open eBook document. EPUB (electronic publication) is a free and open e-book standard, by the International Digital Publishing Forum (IDPF).
Category: Ebook files
Application: Adobe Digital Editions
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
EPUB aliases:
EPUB related links:
EPUB related extensions:
Microsoft Reader E-Book Document

TCR E-book

RAR Compressed Comic Book

ZIP Compressed Comic Book

Mobipocket Reader E-Book

TK3 E-Book

TomeRaider 3 E-book

FictionBook 2 E-Book

Amazon Kindle eBook

DNAML E-book

Other types of files may also use the .epub file extension.

🔄 .epub converters

The following softwares are capable of converting .epub files to other formats:


For example, using the softwares above, a .epub file can be converted into one of the following formats:

htmlz, txtz, cbr, rtf, html, djvu, lrf, pml, tcr, cbz, pdb, cbc, fb2, mobi, prc

🚫 The .epub file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

epb, epu, pub, spub

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

EPSi Firmware Image
NeoBook Publication Source Data
Corel Ventura Publisher Publication
BeLight Disc Cover Data
Microsoft Publisher Document
EP Budgeting Data File
Swift Publisher Document
OpenSSH Public Key Data
ePublisher Data
Open eBook Document

🔴 Can't open a .epub file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .epub file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .epub file extension, write to us!

Browser: Abbreviation Application Archive Audio Configuration Data Development Disk Image Document Ebook Font Game Data GIS Graphic Malware Multimedia Other Project Scam Unknown Video
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