Comparison of Office Open XML and OpenDocument

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This is a comparison of the Office Open XML document file format with the OpenDocument file format.



File format Office Open XML OpenDocument
Based on a format
developed by
Microsoft StarDivision / Sun Microsystems
Predecessor file format Microsoft Office XML formats XML
Standardized by Ecma International, ISO/IEC OASIS, ISO/IEC
First public release date 2006 2005
First stable version Ecma International Standard ECMA-376 Office Open XML File Formats 1st edition OASIS OpenDocument Format for Office Applications (OpenDocument) v1.0
Latest stable version ISO/IEC IS 29500:2008—Office Open XML File Formats OASIS Open Document Format for Office Applications (OpenDocument) v1.1
Latest ISO/IEC standardised version ISO/IEC IS 29500:2008—Office Open XML File Formats ISO/IEC IS 26300:2006—Open Document Format for Office Applications (OpenDocument) v1.0
Language type Markup language (XML) Markup language (XML)
XML schema representation XML Schema (W3C) (XSD) and RELAX NG (ISO/IEC 19757-2) RELAX NG (ISO/IEC 19757-2)
Expression of extensibility rules NVDL (ISO/IEC 19757-4)
Compression format ZIP ZIP
Container structure Open Packaging Convention (ISO/IEC 29500-2:2008) ODF Package[1]
Metadata format Dublin Core (ISO 15836) subset of Dublin Core and urn:oasis:names:tc:opendocument:xmlns:meta elements
Drawing language DrawingML, VML urn:oasis:names:tc:opendocument:xmlns:drawing elements and urn:oasis:names:tc:opendocument:xmlns:svg-compatible elements
Mathematical notation language Office MathML (OMML) MathML[2][3]
Change-tracking supported[4] Limited support, not in text tables[4] or in math equations[5]
Conditional formatting in spreadsheets supported[6] supported[7]
Spreadsheet formula language part of the standard unspecified as of v1.1, although nearly all implementations use formulas compatible with the reference implementation. A formal definition has been proposed for the next revision.
Macro language application-defined application-defined
Digital signatures part of the standard unspecified as of v1.1, although the reference implementation includes digital signatures as have been proposed for the next revision.
Thumbnails JPEG (ISO/IEC 10918) PNG (ISO/IEC 15948)
Interchange of digital font information Open Font Format (ISO/IEC 14496-22)
PANOSE font specifications part of the standard[8]
Filename extensions docx, docm, xlsx, xlsm, pptx, pptm odt, ods, odp, odg, odf
Internet media types



Application support Office Open XML software OpenDocument software
Standard licensing
  • ISO/IEC copyrighted free download [9]
  • Ecma copyrighted free download / copying allowed
  • ISO/IEC copyrighted free download [9]
  • OASIS copyrighted free download / copying allowed
Additional technology patent licensing
  • Sun Microsystems intellectual property covenant
  • IBM Interoperability Specifications Pledge[13]
Implementations covered by patent license Patent license covers conforming implementations[11] Patent license covers fully compliant implementations[13]
Implemented no compatible, available, implementations[14][15][16][17] Many[14], including, KOffice, AbiWord, and Lotus Notes
File format Office Open XML OpenDocument


  4. 4.0 4.1
  8. W3C Panose document standard proposal
  9. 9.0 9.1 Freely Available ISO Standards
  10. "Microsoft patent statement". Retrieved 2008-12-05. "Adobe patent statement". Retrieved 2008-12-05. 
  11. 11.0 11.1 "Microsoft Open Specification Promise". Retrieved 2008-12-05. 
  12. "Ecma Office Open XML File Formats overview". Retrieved 2008-12-05. 
  13. 13.0 13.1 Interoperability Specifications Pledge
  14. 14.0 14.1 "OOXML Implementations: A Community of One". ODF Alliance. 2008-02-20. Retrieved 2009-05-19. 
  15. "Microsoft Expands List of Formats Supported in Microsoft Office". 2008-05-21. Retrieved 2009-05-19. 
  16. Lai, Eric (2008-05-27). "FAQ: Office 14 and Microsoft's support for ODF". Retrieved 2009-05-19. 
  17. Andy Updegrove. "Microsoft Office 2007 to Support ODF - and not OOXML". Retrieved 2009-05-19. 

See also

External links

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