# ISO/IEC 29500–3:2011: Information technology—Document description and processing languages—Office Open XML File Formats—Part 3: Markup Compatibility and Extensibility

> withdrawn ISO standard

**Wikidata**: [Q26111636](https://www.wikidata.org/wiki/Q26111636)  
**Source**: https://4ort.xyz/entity/iso-iec-29500-3-2011-information-technology-document-description-and-processing-languages-office-open-xml-file-formats-part-3-markup-compatibility-and-extensibility


## References

1. [International Organization for Standardization](http://www.iso.org/iso/home/store/catalogue_ics/catalogue_detail_ics.htm?csnumber=59577)
2. [International Electrotechnical Commission](https://webstore.iec.ch/publication/21494)