LanguageMSPX
Microsoft XML-based web page
File type: Internet related file
An mspx file extension is related to the Microsoft XML-based web page format.
What is mspx file?
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.
How to open mspx file?
Use compatible tools to open *.mspx files.
How to convert mspx file?
Probably can be exported to other formats.
Suggested software to open mspx file:
Associated software actions with the mspx file
Programs for viewing mspx files:
Microsoft Edge (Microsoft Windows)
Firefox (Microsoft Windows)
Firefox for Mac (Apple macOS / Mac OS X)
Firefox for Linux (Linux/Unix)