ASMX file extension

You can open file with ASMX using special software abopted to do this. In order to open ASMX file download one of the software.

How to open ASMX file

File type:
ASP.NET Web Service File
Web files

This file specifies Web services called by an Active Server Page (ASP file). ASP.NET automatically compiles this file when a request to the service is made. It may be accessed over the Internet or from a local network. ASMX files start with the ASP.NET directive "WebService" followed by the "Language" parameter that is used to set the programming language to Visual Basic, C# or JScript. Windows-based Web server with the .NET framework can run these files.

Similar file formats and extensions.