Office Open XML

Office Open XML Workbook
Filename extension	.xlsx, .xlsm
Internet media type	application/vnd.; openxmlformats-officedocument.; spreadsheetml.; sheet
Developed by	Microsoft, Ecma, ISO, IEC
Initial release	7 December 2006 (as Microsoft Open XML)
Latest release	3rd edition; 29 June 2011
Type of format	Spreadsheet
Extended from	XML, XLS, SpreadsheetML
Standard	ECMA-376, ISO/IEC 29500
Open format?	Yes
Website	ECMA-376, ISO/IEC 29500:2008

Office Open XML Presentation
Filename extension	.pptx, .pptm
Internet media type	application/vnd.; openxmlformats-officedocument.; presentationml.; presentation
Developed by	Microsoft, Ecma, ISO, IEC
Initial release	7 December 2006
Latest release	3rd edition; 29 June 2011
Type of format	Presentation
Extended from	XML, PPT
Standard	ECMA-376, ISO/IEC 29500
Open format?	Yes
Website	ECMA-376, ISO/IEC 29500:2008

Office Open XML Document
	The OOXML Document icon, as appears on the Microsoft OneDrive web service
Filename extension	.docx, .docm
Internet media type	application/vnd.; openxmlformats-officedocument.; wordprocessingml.; document
Developed by	Microsoft, Ecma, ISO, IEC
Initial release	7 December 2006
Latest release	4th edition; 26 October 2016
Type of format	Document file format
Extended from	XML, DOC, WordProcessingML
Standard	ECMA-376, ISO/IEC 29500
Open format?	Yes
Website	ECMA-376, ISO/IEC 29500-1:2012

Office Open XML (also informally known as OOXML)^[3] is a zipped, XML-based file format developed by Microsoft for representing spreadsheets, charts, presentations and word processing documents. Ecma International standardized the initial version as ECMA-376. ISO and IEC standardized later versions as ISO/IEC 29500.

Microsoft Office 2010 provides read support for ECMA-376, full support for ISO/IEC 29500 Transitional, and read support for ISO/IEC 29500 Strict.^[4] Microsoft Office 2013 and later fully support ISO/IEC 29500 Strict,^[5] but do not use it as the default file format because of backwards compatibility concerns.^[6]

^ ^a ^b ^c "Register file extensions on third party servers". docs.microsoft.com. Microsoft. Retrieved 2009-09-04.^{[permanent dead link]}
^ Klaus-Peter Eckert; Jan Henrik Ziesing; Ucheoma Ishionwu. "Document Interoperability: Open Document Format and Office Open XML" (PDF). Fraunhofer Verlag. p. 90.
^ "The Document Foundation, LibreOffice and OOXML". The Document Foundation. Retrieved 2016-03-22.
^ "Overview of the XML file formats in Office 2010". Office 2010 Resource Kit. Microsoft. 5 August 2011.
^ "XML file name extension reference for Office 2013". Office 2013 Resource Kit. Microsoft. 26 December 2016.
^ "XLSX Strict (Office Open XML), ISO 29500-1:2008-2016". Library of Congress. Retrieved 2018-09-09.

[mimetype-1] "Register file extensions on third party servers". docs.microsoft.com. Microsoft. Retrieved 2009-09-04.^{[permanent dead link]}

[ExckertEtZiesing2009-2] Klaus-Peter Eckert; Jan Henrik Ziesing; Ucheoma Ishionwu. "Document Interoperability: Open Document Format and Office Open XML" (PDF). Fraunhofer Verlag. p. 90.

[3] "The Document Foundation, LibreOffice and OOXML". The Document Foundation. Retrieved 2016-03-22.

[4] "Overview of the XML file formats in Office 2010". Office 2010 Resource Kit. Microsoft. 5 August 2011.

[Office_2013_File_Formats-5] "XML file name extension reference for Office 2013". Office 2013 Resource Kit. Microsoft. 26 December 2016.

[Office_2016_file_formats-6] "XLSX Strict (Office Open XML), ISO 29500-1:2008-2016". Library of Congress. Retrieved 2018-09-09.

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Office Open XML

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