I think open standard? Download is here? https://ecma-international.org/publications-and-standards/standards/ecma-376/ https://ecma-international.org/publicati

I think open standard? Download is here? https://ecma-international.org/publications-and-standards/standards/ecma-376/ https://ecma-international.org/publications-and-standards/st... MS made it open because... > More than a year after being asked by the European Union to standardize their Office 2003 XML formats, Microsoft submitted 2,000 pages of documentation for a new file format to the Ecma International consortium for it to be made into an open standard. [1] The competing OpenDocument Format was standardized first though [2]. [1]: https://en.wikipedia.org/wiki/Standardization_of_Office_Open_XML https://en.wikipedia.org/wiki/Standardization_of_Office_Open... [2]: https://en.wikipedia.org/wiki/OpenDocument https://en.wikipedia.org/wiki/OpenDocument