Opening an ASPX File

The ASPX file type is primarily associated with ASP.NET.

ASPX	File extension: ASPX
	File type:	web page

What is an ASPX file?

ASPX files mostly belong to ASP.NET by Microsoft. An ASPX file contains the web controls, business logic (script), and presentation (markup/templates) of a web page hosted on an ASP.NET server. The contents of this file render to HTML, CSS, and JavaScript when received by a client. ASP.NET is a framework developed by Microsoft for the purpose building dynamic websites. When used as a resource download script, an incorrectly configured ASPX page may rename the downloaded file's extension to ASPX instead of JPEG for instance. Simply renaming the filename extension of such a resource will allow a user to open the file in the appropriate program.

How to open an ASPX file

You need a suitable software like ASP.NET to open an ASPX file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your ASPX file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a ASPX file directly in the browser:. Just drag the file onto this browser window and drop it.

Online ASPX Text Viewer

Choose your .aspx file to analyze

or drag and drop it here

Online File Viewer

✈

Read our privacy guarantee in Filext’s terms and privacy policy

Please allow ads on our site

This helps us keep our servers running. Then re-upload your file to view it.

Click here to see how to disable the ad blocker for filext.com

Programs that open and convert ASPX files:

ASP.NET by Microsoft
See the previous paragraphs to learn more about the main application. ASPX files are often referred to as ASP.NET web (source)s because this type of file is primarily created or used by this software.
7-zip (compressed archive) by Igor Pavlov
7-zip is a cross-platform data compression and encryption program. It can unpack a ZIP archive downloaded as an ASPX file downloaded from an incorrectly setup ASP.NET web server. This file format is classified as Compressed. Related links: Zip (file format)
Acrobat (document) by Adobe
Acrobat is a program for authoring documents in Portable Document Format (PDF). It can read an ASPX file containing a PDF document downloaded from an incorrectly configured ASP.NET server. This file format is classified as Page Layout. Related links: PDF
Thunderbird (email message) by Mozilla
Thunderbird is a free email client compatible with Linux and Windows operating systems. It can read an ASPX file containing an email written in EML syntax. This file format is classified as Simple text file. Related links: Email Filename Extensions
Visual Studio (web page) by Microsoft
Visual Studio is a cross-platform integrated development environment for building applications. It saves an ASP.NET web page in an ASPX file. This file format is classified as Web (source). Related links: Web Site File Types
WordPad (text document) by Microsoft
WordPad is a word processor and plain text editor built into Windows operating system. It can read an ASPX file containing a Rich Text Format document. This file format is classified as Simple text file. Related links: Rich Text Format
XnView (image) by XnSoft
XnView is a free image editing, conversion, and organization software. It can display a JPEG or GIF image saved as an ASPX file downloaded from an ASP.NET server. This file format is classified as Raster Image. Related links: JPEG

ASPX file format:

Each file has a definite file format, that is, how the stored data is arranged in the file. Often, the file format can be deduced from the file extension or the initial bytes (called the signature). Nonetheless, different programs can utilize the same file extension to represent distinct file formats. Double-clicking on the file often results in an error when opening. If there are problems opening a file, you must first determine the file format used. Below you will find our evaluation of the ASPX files:

The ASPX file extension is quite widespread and covers different formats for different programs. However, the following two file formats are common:

50% of all ASPX files use the popular PDF file format. PDF is short for Portable Document Format, is a file format to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating systems. They consist of unreadable binary data. The average file size is 120 KB with most files being between 24 KB and 940 KB in size. The file type is relatively new. Such ASPX files store data about view, report, print, edrdocument, viewer, open, images, certificate and dialog.
10% of all ASPX files are using the well-known HTML file format to store the data. HTML is short for HyperText Markup Language. It is the standard markup language for documents designed to be displayed in a web browser. The contents of these files can even be read by a human. ASPX files can be up to 210 KB in size, but are often around 740 bytes - 76 KB. The following keywords are characteristic: <html xmlns="http://www.w3.org/1999/xhtml">, <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">, <head><title> and meta. A usual file name is DownloadSlip.aspx or DownloadSlip1.aspx. These files are often associated with paymentcpr, direct and taxes.

The remaining 40% of all ASPX files are different files with different signatures, such as Microsoft ASP, ZIP, JPG, MHTML, GIF, RTF, NOT and authorized. These files sometimes refer to generator, help, wsdl, card, image or show. You can get all the details of your ASPX file by dragging it onto this page or by clicking the button "Choose your .aspx file to analyze" above.

Technical Data for ASPX File Extension

File classification:

Web (source)

Related files:

apx, edr, asp, axd, psid, pdf, retrievecachedpdf, tdp, get, axp, pdfprint, php, asax, browser, aps, master, ascx, jpg, cs, kfi, ashx

Related links:

Web Site File Types

Mime type:

text/aspdotnet, application/x-aspx

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: aspxfile, AppName: Dreamweaver MX
EXEFile: Dreamweaver.exe

ProgramID: aspxfile, FileType: Web Form, AppName: Microsoft Visual Studio .NET 2002
EXEFile: devenv.exe

ProgramID: aspxfile
EXEFile: %ProgramFiles%\Macromedia\Dreamweaver MX 2004\Dreamweaver.exe %1

ProgramID: aspxfile
EXEFile: %ProgramFiles%\Macromedia\Dreamweaver MX\Dreamweaver.exe %1

ProgramID: aspxfile
EXEFile: %ProgramFiles%\Microsoft Visual Studio .NET\Common7\IDE\devenv.exe /dde

ProgramID: BDS.ASPXFile
EXEFile: %ProgramFiles%\Borland\BDS\2.0\Bin\bds.exe /np

ProgramID: BDS.ASPXFile
EXEFile: %ProgramFiles%\Borland\BDS\3.0\Bin\bds.exe /np

ProgramID: VisualStudio.aspx.7.1
EXEFile: %ProgramFiles%\Macromedia\Dreamweaver MX 2004\Dreamweaver.exe %1

ProgramID: VisualStudio.aspx.7.1
EXEFile: %ProgramFiles%\Microsoft Visual Studio .NET

ProgramID: VisualStudio.aspx.7.1
EXEFile: %ProgramFiles%\Microsoft Visual Studio .NET 2003\Common7\IDE\devenv.exe /dde

ProgramID: aspfile
EXEFile: %ProgramFiles%\internet explorer\IEXPLORE.EXE %1

ProgramID: aspxfile
EXEFile: %ProgramFiles%\macromedia\dreamweaver mx 2004\dreamweaver.exe %1 does not exist.

ProgramID: VisualStudio.aspx.7.1
EXEFile: %ProgramFiles%\Visual Studio .NET 2003\Common7\IDE\devenv.exe /dde

ProgramID: VWDExpress.aspx.8.0
EXEFile: %ProgramFiles%\Microsoft Visual Studio 8\Common7\IDE\VWDExpress.exe /dde %1

ProgramID: VisualStudio.aspx.8.0
EXEFile: %ProgramFiles%\Microsoft Visual Studio 8\Common7\IDE\devenv.exe /dde %1

ProgramID: VisualStudio.aspx.8.0
EXEFile: %ProgramFiles%\Macromedia\Dreamweaver MX 2004\Dreamweaver.exe

ProgramID: VisualStudio.aspx.9.0
EXEFile: %ProgramFiles%\Microsoft Visual Studio 9.0\Common7\IDE\devenv.exe

ProgramID: VWDExpress.aspx.9.0
EXEFile: %ProgramFiles%\Microsoft Visual Studio 9.0\Common7\IDE\VWDExpress.exe

Show all 18 listings To Top

an aspx web page is a special file format by Microsoft and should only be edited and saved with the appropriate software.

How to solve problems with ASPX files

Associate the ASPX file extension with the correct application.
Update your software that should actually open web pages. Because only the current version supports the latest ASPX file format. Search, therefore, e.g. on the Microsoft manufacturer website after an available ASP.NET update.
To make sure that your ASPX file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .ASPX file online - secure, fast, and no downloads needed.