File Extension Library

.ASPX File Extension

  • Developer by: Microsoft
  • Category: Web Files
  • Format: Text

What are .ASPX files and how to open them?

Can't open .ASPX file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .ASPX file.

What is a .ASPX file extension?

.ASPX file extension is created by Microsoft. .ASPX has been classified as Web Files. The format of .ASPX file is Text.

.ASPX is Active Server Page Extended 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.

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, the server loads, unless it is configured to load a different file.

List of all softwares that can open the Active Server Page Extended File
File Viewer Plus
Microsoft Visual Web Developer
Microsoft Visual Studio 2017
ES-Computing EditPlus

How to fix problems with .ASPX files

  1. You need to update the application that you normally use to open .ASPX files. Only the latest version of the software supports the current .ASPX file format
  2. You need to check the .ASPX file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)