The parts can contain any type of data to keep track of the data type of each part without relying on fileĮxtensions, the type for each part is specified in a file within the package called. This breaking up or chunking of the data into pieces makes it easier and quicker to access data and So OOXML files are ZIP archives containing various XML files (parts) and Leveraging the common ZIP format for combining files into a common package.

In addition to the markup language specifications, Part 2 of ECMA-376 specifies the Open Packaging Conventions (OPC). The specification does include some extensibility mechanisms allowing custom XML to be stored with

Any conforming document must conform to XML schemas, and be in The specification includes both XML schemas and constraints in written form. Most importantly DrawingML for drawings, shapes and charts. It also includes some supporting markup languages, SpreadsheetML for spreadsheet documents, and PresentationML for presentation documents. What does OOXML specify? Markup specificationsĮCMA-376 includes three different specifications for each of the three main office document types-WordprocessingML for word processing documents, ppt) continue to be supported by Microsoft, OOXML is now the default format of all Microsoft Office Open XML and Open Office XML or ODF are in some sense competing XML standardsĪlthough the older binary formats (.doc, xls, and. It is important to keep in mind that OOXML is not the same as Open Office XML or the Openĭocument Format (ODF) that underlies the and other open source office software. The specification has been adopted by ISO and IEC as ISO/IEC 29500. The specification was developed by Microsoft and adopted by ECMA International asĪ second version was released in December, 2008, andĪ third version of the standard released in June, 2011. Presentations, as well as charts, diagrams, shapes, and other graphical material. Office Open XML, also known as OpenXML or OOXML, is an XML-based format for office documents, including word processing documents, spreadsheets,

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