File Type ASP.NET Web Service File IconASP.NET Web Service File
File Format Proprietary (Microsoft)
Usage Open manually; may be referenced by an application
Rank ★ ★ ★  Common

An ASMX file serves as the end point for an ASP.NET Web service. It is similar to an .ASPX file, but is used specifically for XML Web services.

ASMX files are often part of ASP.NET applications and may reference other files. They are addressable by a URI just like ASPX files are.

Open With

IconMicrosoft Visual Web Developer

IconMicrosoft Visual Studio

Updated June 1, 2009