ASPX File - opening and understanding

Did your computer fail to open an ASPX file? We explain what they are used for and recommend software that we know can open or otherwise handle your .ASPX files.

What is an ASPX file?

ASPX stands for Active Server Page Extended file. These files are often used for Web forms on the Internet. You can tell when your browser has reached one of these files by the .aspx extension that will appear at the end of the URL in the address bar. For example, if you were to arrive at a, you would know you were at an active server page.

Developed by Microsoft, these server-generated Web pages may often contain C# code or VBScript. The files are commonly created using Microsoft Visual Web Developer and are designed for use within the Microsoft ASP.Net framework.

How to open ASPX files

You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension ASPX for different purposes.

While we have not verified the apps ourselves yet, our users have suggested 10 different ASPX openers which you will find listed below.

Suggest another file format using extension ASPX

While we know of one file format using the .ASPX file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .ASPX file.

Various viewers for this file format

These apps are known to open certain types of ASPX files. Remember, different programs may use ASPX files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Free File ViewerFree File ViewerUser submitted
WinRARWinRARUser submitted
Adobe DreamweaverAdobe DreamweaverUser submitted
Macromedia Dreamweaver MXMacromedia Dreamweaver MXUser submitted
Microsoft Web Platform ExtensionsMicrosoft Web Platform ExtensionsUser submitted
Stuffit ExpanderStuffit ExpanderUser submitted
Any Video Converter ProfessionalAny Video Converter ProfessionalUser submitted
Edge Code CCEdge Code CCUser submitted
BracketsBracketsUser submitted
Microsoft Visual Studio .NETMicrosoft Visual Studio .NETUser submitted
We have not verified any software that we know for certain will work with ASPX-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with ASPX-files. If you know one, please use the 'Suggest a program' link below and tell us about it!