Open eBook (OEB), or formally, the Open eBook Publication Structure (OEBPS), is a legacy e-book format which has been superseded by the EPUB format.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" 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 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

• September 1999 – Open eBook Publication Structure (OEBPS) 1.0 released

• June 2001 – OEBPS 1.0.1 replaces OEBPS 1.0

• August 2002 – OEBPS 1.2 Recommended Specification Released

• September 2007 – Open Publication Structure (OPS) 2.0, EPUB. Released, supersedes the OEBPS 1.2

Reader software

• SoftBook

• Adobe Digital Editions

• FBReader – GPL e-book reader for Unix/Windows computers.

• Lexcycle Stanza

• Mobipocket

• Openberg Lector – cross-platform reader released under the GPL and based on Mozilla platform

Reader devices

• SoftBook

• Sony Reader – the Sony Reader PRS-505 supports the EPUB file format.

• Intel Reader

• Barnes & Noble Nook

• Kobo eReader

See also

• Comparison of e-book formats

• Open Packaging Conventions

References

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

• https://github.com/idpf/epubcheck

• EPUB Validator (beta)