The Microsoft Office XML formats are

XML Extensible Markup Language (XML) is a markup language and file format for storing, transmitting, and reconstructing arbitrary data. It defines a set of rules for encoding documents in a format that is both human-readable and machine-readable. T ...

-based document formats (or

XML schema An XML schema is a description of a type of Extensible Markup Language, XML document, typically expressed in terms of constraints on the structure and content of documents of that type, above and beyond the basic syntactical constraints imposed ...

s) introduced in versions of

Microsoft Office Microsoft Office, or simply Office, is the former name of a family of client software, server software, and services developed by Microsoft. It was first announced by Bill Gates on August 1, 1988, at COMDEX in Las Vegas. Initially a marketin ...

prior to Office 2007. Microsoft Office XP introduced a new XML format for storing Excel spreadsheets and Office 2003 added an XML-based format for Word documents. These formats were succeeded by

Office Open XML Office Open XML (also informally known as OOXML) 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 a ...

(ECMA-376) in Microsoft Office 2007.

File formats

* Microsoft Office Word 2003 XML Format — WordProcessingML or WordML () * Microsoft Office Excel 2002 and Excel 2003 XML Format —

SpreadsheetML SpreadsheetML is the XML schema for Microsoft Office Excel 2003. The Office 2003 XML Reference Schemas are included in the Microsoft Open Specification Promise, a legal statement concerning unrestricted use of Microsoft intellectual property. See ...

() * Microsoft Office Visio 2003 XML Format — DataDiagramingML (, , ) * Microsoft Office InfoPath 2003 XML Format — XML FormTemplate () (Compressed XML templates in a

Cabinet Cabinet or The Cabinet may refer to: Furniture * Cabinetry, a box-shaped piece of furniture with doors and/or drawers * Display cabinet, a piece of furniture with one or more transparent glass sheets or transparent polycarbonate sheets * Filing ...

file) * Microsoft Office InfoPath 2003 XML Format — XMLS FormTemplate () (Compressed XML templates in a

file)

Limitations and differences with Office Open XML

Besides differences in the schema, there are several other differences between the earlier Office XML schema formats and Office Open XML. * Whereas the data in

documents is stored in multiple parts and compressed in a

ZIP Zip, Zips or ZIP may refer to: Common uses * ZIP Code, USPS postal code * Zipper or zip, clothing fastener Science and technology Computing * ZIP (file format), a compressed archive file format ** zip, a command-line program from Info-ZIP * Zi ...

file conforming to the Open Packaging Conventions, Microsoft Office XML formats are stored as plain single monolithic

files (making them quite large, compared to OOXML and the Microsoft Office legacy binary formats). Also, embedded items like pictures are stored as binary encoded blocks within the

. In case of Office Open XML, the header, footer, comments of a document etc. are all stored separately. * XML Spreadsheet documents cannot store Visual Basic for Applications macros, auditing tracer arrows, chart and other graphic objects, custom views, drawing object layers, outlining, scenarios, shared workbook information and user-defined function categories. In contrast, the newer

formats support full document fidelity. * Poor backward compatibility with the version of Word/Excel prior to the one in which they were introduced. For example, Word 2002 cannot open Word 2003 XML files unless a third-party converter add-in is installed. Microsoft has released a ''Word 2003 XML Viewer'' which allows WordProcessingML files saved by Word 2003 to be viewed as HTML from within Internet Explorer.Word 2003 XML Viewer
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, Microsoft provides converters for Office 2003, Office XP and Office 2000. * Office Open XML formats are also defined for PowerPoint 2007, equation editing (Office MathML), vector drawing, charts and text art (DrawingML).

Word XML format example

This is the title Darl McBride Bill Gates 1 0 2007-03-15T23:05:00Z 2007-03-15T23:05:00Z 1 6 40 SCO Group, Inc. 1 1 45 11.6359

This is the first paragraph

This is a heading

Excel XML spreadsheet example

ID Project Reporter Assigned To Priority Severity Reproducibility Product Version Category Date Submitted OS OS Version Platform View Status Updated Summary Status Resolution Fixed in Version 0000033 CognaLearn Intedashboard janardhana.l normal text always GUI 2016-10-14 public 2016-10-14 IE8 browser_Modules screen tool tip text is shown twice new open

References

Overview of Office 2003 Developer Technologies
* ''Office 2003 XML''.

External links