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Extensible Markup Language (XML)

Extensible Markup Language, also spelled eXtensible Markup Language (XML), is a simple and flexible text format based on Standard Generalized Markup Language ( SGML) and standardized by the World Wide Web Consortium (W3C®). Unlike HyperText Markup Language (HTML), which is limited to a finite set of elements denoted by tags, XML is a meta-language, a tagging language that defines other languages, offering flexibility for the design of  unique elements that serve specific purposes, such as tags that enable translation between file formats, including translation between P6 Professional project data and Excel spreadsheet formats. For detailed information about the XML standard, see http://www.w3.org/XML/.

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Last Published Tuesday, March 4, 2025