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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eBook (or OEB), or formally, the Open eBook Publication Structure (OEBPS), is a legacy e-book format which has been superseded by the EPUB format.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. OEB was released with a free version belonging to public domain and a full version to be used with or without DRM by the publishing industry.

Open eBook Publication Structure (OEBPS)
Filename extension.opf
Internet media typeapplication/oebps-package+xml[1]
Developed byOpen eBook Forum
Initial release1999; 20 years ago (1999)
Latest release
Open eBook Publication Structure (OEBPS) 2.0
(September 2007 (2007-09))
Type of formate-Book file format
Contained byOEB Package Format (ZIP)
Extended fromXML, defined subset of XHTML, CSS, Dublin Core
Extended toEPUB electronic publication standard
WebsiteOpen eBook Forum

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 historyEdit

  • 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 softwareEdit

Reader devicesEdit

See alsoEdit


  1. ^ "Archived copy". Archived from the original on 2009-06-04. Retrieved 2009-06-11.CS1 maint: archived copy as title (link)
  2. ^ Judge, Paul (1998-11-16), "E-Books: A Library On Your Lap", BusinessWeek, archived from the original on February 8, 2000
  3. ^ Sony Reader PRS-505
  4. ^ Intel Reader Archived 2012-09-10 at
  5. ^ Barnes & Noble Nook
  6. ^ Kobo Reader

External linksEdit