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Microsoft XML-based web page
File type: Internet related file
An mspx file extension is related to the Microsoft XML-based web page format.
File type category:
Internet related file
Date updated: June 27, 2025
The mspx file extension is associated with the Microsoft XML-based web page format.
Extensible Markup Language (XML) is a simple, very flexible text format derived from SGML (ISO 8879). Originally designed to meet the challenges of large-scale electronic publishing, XML is also playing an increasingly important role in the exchange of a wide variety of data on the Web and elsewhere.
Use compatible tools to open *.mspx files.
Probably can be exported to other formats.
Programs for viewing mspx files:
Microsoft Windows
Apple macOS / Mac OS X
Linux/Unix
Language
