Web Files

ASP.NET

opens 5 file types

Download (www.asp.net)

Verified by Adam B.· reviewed by FE Editorial ·updated Aug 6, 2026

AT A GLANCE

Opens5 file types

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5 file types verified
Last reviewed Oct 2026

What is ASP.NET?

ASP.NET is Microsoft's web application framework for building dynamic websites, web APIs, and web services on the .NET platform. It supports multiple programming models including Web Forms, MVC, and Web API, and runs on Windows servers via IIS as well as cross-platform via .NET Core.

Files ASP.NET opens

5 formats

Web Files

.ASMX .MASTER .ASAX .VSDISCO

Misc Files

.XMLC

Click any badge for full per-format details - what it is, how to open it and how to convert it.

Download ASP.NET

SOURCEwww.asp.netofficial site - avoid third-party download portals

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programs & formats

Files ASP.NET opens most

1

.ASMXActive Server Plus Web Services source file

2

.MASTERASP Master page file

3

.ASAXASP.NET application optional source file

4

.VSDISCOSOAP dynamic discovery file

5

.XMLCASP.NET compiled XML data

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