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.ASMX File Extension

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File TypeASP.NET Web Service File

DeveloperMicrosoft
Popularity
3.4 (5 Votes) Thanks for voting!
Rare Uncommon Average Common Very Common
CategoryWeb Files
FormatN/A

Unknown

File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.

Definition

Defines Web services called by an Active Server Page (.ASP file); automatically compiled by ASP.NET when a request to the service is made; can be accessed over the Internet or from a local network.

More Information

ASMX files begin with the ASP.NET directive "WebService," followed by the "Language" parameter. This is used to set the programming language to Visual Basic, C#, or JScript. They can be run using a Windows-based Web server with the .NET framework.

Programs that open ASMX files
Windows
Microsoft Visual Web Developer
Microsoft Visual Studio 2015
Updated 5/25/2009

FileInfo - The File Extensions Database

This page contains information about the .ASMX extension and its known file associations. Our goal is to help you understand what an ASMX file is and how to open it.

The ASP.NET Web Service file type, file format description, and programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and therefore do not publish any information we have not verified.

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