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| 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) 2.0 September 2007 |
| 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 | idpf.org |
Open eBook (OEB), or formally, the Open eBook Publication Structure (OEBPS), is a legacy e-book format which has been superseded by the EPUB format.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".[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 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).
- ^ "Open Packaging Format (OPF) 2.0 v1.0". 2007-09-11. Archived from the original on 2009-06-04. Retrieved 2020-05-05.
- ^ Judge, Paul (1998-11-16), "E-Books: A Library On Your Lap", BusinessWeek, archived from the original on February 8, 2000
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