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.ASPX File Extension

File TypeActive Server Page Extended File

DeveloperMicrosoft
Popularity
3.6 (191 Votes)
CategoryWeb Files
FormatText

Text

This file is saved in a plain text format. You can open and view the contents of this file using a text editor.

What is an ASPX file?

An ASPX file is a server-generated web page that may contain VBScript or C# code. It is often written with Microsoft Visual Web Developer and designed for the Microsoft ASP.NET framework. ASPX files contain scripts that are processed on the web server and the resulting HTML is sent to the user's web browser.

More Information

ASPX pages are also called ".NET Web forms." They can be identified in a web browser when the URL in the address field ends in ".aspx".

Common ASPX Filenames

Default.aspx - The default webpage loaded when a client browser requests a Web server directory on a Microsoft IIS-based server that uses ASP.NET. For example, when a client requests http://www.sampledomain.com/, the server loads http://www.sampledomain.com/Default.aspx, unless it is configured to load a different file.

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Open and view .ASPX files with File Viewer Plus.
Programs that open ASPX files
Updated 8/18/2016

About ASPX Files

Our goal is to help you understand what a file with a *.aspx suffix is and how to open it.

The Active Server Page Extended file type, file format description, and Mac, Windows, and Linux programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and only publish information about file formats that we have tested and validated.

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