Open XML Formats and file name extensions | Microsoft Support
...Office lets you save files in the Open XML Formats and in the binary file format of earlier versions of Office and includes compatibility checkers and file converters to allow file-sharing between different versions of Office....
https://support.microsoft.com/en-us/office/vba/open-xml-formats-and-file-name-extensions
Office Open XML - Wikipedia
...ISO/IEC (2008-11-18). "Publication of ISO/IEC 29500:2008, Information technology?Office Open XML formats". ISO. Archived from the original on 2009-07-06. Retrieved 2008-11-19. "Freely Available Standards". ITTF (ISO/IEC). 2008-11-18. Retrieved 2023-09-26. "Standard ECMA-376". Ecma-international.org. Retrieved 2009-05-19. Kirk, Jeremy (19 ......
https://en.wikipedia.org/wiki/Office_Open_XML
Office Open XML file formats - Wikipedia
..."New set of proposed dispositions posted, including more positive changes to the Ecma Office Open XML formats ? Dispositions now proposed for more than half of National Bodies' comments"....
https://en.wikipedia.org/wiki/Office_Open_XML_file_formats
Welcome to the Open XML SDK for Office | Microsoft Learn
...Documentation and guidance for the strongly-typed classes in the Open XML SDK for Office....
https://learn.microsoft.com/en-us/office/open-xml/open-xml-sdk
The Microsoft Office Open XML Format
...Microsoft 365 delivers cloud storage, advanced security, and Microsoft Copilot in your favorite apps?all in one plan....
https://www.microsoft.com/en-us/download/details.aspx?id=30792
Otwarte formaty XML i rozszerzenia nazw plików | Microsoft Support
...Pakiet Microsoft Office korzysta z formatów plików opartych na j?zyku XML, takich jak .docx, .xlsx i .pptx. Te formaty i rozszerzenia nazw plików dotycz? programów Microsoft Word, Microsoft Excel i Microsoft PowerPoint. W tym artykule omówiono najwa?niejsze zalety formatu, opisano rozszerzenia nazw plików i omówiono sposób udost?pniania plików pakietu Office osobom korzystaj?cym ......
https://support.microsoft.com/pl-PL/Office/vba/open-xml-formats-and-file-name-extensions
The Microsoft Office Open XML Formats
...The Microsoft Office Open XML Formats Microsoft 365 delivers cloud storage, advanced security and Microsoft Copilot in your favourite apps ? all in one plan....
https://www.microsoft.com/en-gb/download/details.aspx?id=30971
Use Office Open XML in your Word add-in
...If the markup for your shape or text box looks far more complex than you would expect, there's a reason for it. With the release of Office 2007, we saw the introduction of the Office Open XML Formats as well as the introduction of a new Office graphics engine that PowerPoint and Excel fully adopted....
https://learn.microsoft.com/en-us/office/dev/add-ins/word/create-better-add-ins-for-word-with-office-open-xml
Where to find Office 2007/2010/2013 Open XML Schemas
...I found that the Strict schema uses the purl.oclc.org namespace while the transitional schema uses the schemas.openxmlformats.org. Both sets contain the sml.xsd file (Defines SpreadsheetML) but with some differences....
https://stackoverflow.com/questions/16429584/where-to-find-office-2007-2010-2013-open-xml-schemas
OOXML Documentation · Office Open XML Documentation
...Office Open XML Reference Find any element or attribute in the OOXML spec Navigate the full Word, Excel, PowerPoint and Drawing XML schema with parent/child relationships and code examples....
https://ooxml.org/