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Open eBook

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Title: Open eBook  
Author: World Heritage Encyclopedia
Language: English
Subject: EPUB, E-book, Comparison of e-book formats, Electronic publishing, Intel Reader
Collection: Markup Languages, Xml-Based Standards
Publisher: World Heritage Encyclopedia

Open eBook

Open eBook Publication Structure (OEBPS)
Filename extension .opf
Internet media type application/oebps-package+xml[1]
Developed by Open eBook Forum
Initial release 1999
Latest release
Open eBook Publication Structure (OEBPS) 1.2
(August 2002)
Type of format e-Book file format
Contained by OEB Package Format (ZIP)
Extended from XML, defined subset of XHTML, CSS, Dublin Core
Extended to EPUB electronic publication standard
Website Open eBook Forum

Open eBook (or OEB), or formally, the Open eBook Publication Structure (OEBPS), is a legacy e-book format which has been superseded by the EPUB format. It was "based primarily on technology developed by SoftBook Press"[2] and on XML.

Open eBook is a ZIP file plus a Manifest file. Inside the package a defined subset of XHTML may be used, along with CSS and Dublin Core metadata. The default file extension is .opf (OEB Package Format).


  • Specification release history 1
  • Reader software 2
  • Reader devices 3
  • See also 4
  • References 5
  • External links 6

Specification release history

  • September 2007 – Open Publication Structure (OPS) 2.0, EPUB. Released, supersedes the OEBPS 1.2
  • August 2002 – OEBPS 1.2 Recommended Specification Released
  • June 2001 – OEBPS 1.0.1 replaces OEBPS 1.0
  • September 1999 – Open eBook Publication Structure (OEBPS) 1.0 released

Reader software

Reader devices

See also


  1. ^
  2. ^ Judge, Paul (1998-11-16), "E-Books: A Library On Your Lap", BusinessWeek 
  3. ^ Sony Reader PRS-505
  4. ^ Intel Reader
  5. ^ Barnes & Noble Nook
  6. ^ Kobo Reader

External links

  • Open eBook Forum
  • Openberg
  • Open Publication Structure (OPS) 2.0
  • Adobe's Sample eBook Library
  • Article "EPUB" at the MobileRead Wiki
  • ePub Validator - This utility allows to validate the epub file to ePub standards of 1.0.5
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