Opening ASPX File Extension Safely: A Detailed Guide

We come across multiple files and documents while working on our computers. There is no doubt that file extensions play an essential role in defining the format of the file. Also, you can view or edit the file’s contents after determining the correct format. However, it could be challenging if you don’t know how to open a unique file extension on the PC. Today, we will share some information on safely opening the ASPX file extension and accessing its data.

See Also: How to open a png file.

If you are unsure about this file format, our guide will explain everything you need to know. We will also share some methods for viewing ASPX files on your computer. Make sure to stick with the blog and read every section to avoid making mistakes while opening ASPX file.

What is an ASPX File?

Before moving further, it would be better to know a little more about the .aspx extensions files. ASPX stands for Active Page Server Extended, a standard file format on your internet browser. Microsoft was the initial developer of ASPX file and released it in 2002 for public use. These files effectively create dynamic websites to interact with the users. The primary origin of the file is the web servers of the website you are currently running. Also, the host web page might create .aspx extension files for users to download on their PC.

what is an aspx file
what is an aspx file

You can differentiate these files from standard web pages by looking at the URL on the top of your screen. If it contains anything similar to .aspx at the end, you are dealing with the correct file format. It contains various codes written in C#, which are further converted into a complete HTML page by the browser. Thus, you can view the page’s entire content on your screen. However, opening an ASPX File may be an issue for some users.

How to Open ASPX File?

Now the question arises, what tools do you require while opening ASPX file on your Windows computer. There is no rocket science involved in the process, and you can efficiently perform the tasks.

how to open an aspx file
how to open an aspx file

Moreover, ASPX files are easy to manage while sharing massive data across different devices. We will discuss various methods to help you open .aspx files on your device. Users can save a lot of time by following the instructions mentioned in our guide.

Method 1: Convert File Format

As mentioned earlier, ASPX is just a standard file extension that contains data similar to a document. Once you download, it requires a particular tool that will help you extract the data from it. However, most computers don’t have an adequate application that could open the file format. Hence, you can convert it into a different file format, depending on the size and type of file.

For instance, you can convert any ASPX file into the PDF or DOC format according to your choice. We have several online converters that will do the job for you within seconds. Follow the steps below if you aren’t aware of how to convert any file to different formats. We will consider a regular file converter available online for free. The steps for the same are: –

Step 1

Open your web browser and search for “aspx file converter.”

search on web browser
search on web browser

Step 2

Click on the first link in the results and open the platform.

Step 3

Next, upload the .aspx file format that you wish to change by using the online tool.

Step 4

Lastly, click on the “Convert” button, and you will get the new file within a couple of seconds. Make sure to download and save the extension on your local computer.

Method 2: Change File Extension

This method is quite similar to the one that we discussed previously. If you are working on a Windows computer, this method can help you open .aspx files. However, it may not work on some files without an appropriate file extension. You have to edit the file’s name and change the extension format at the end.

Example- Rename the file document.aspx to document.pdf

change file extension
change file extension

This will automatically change the file format, and you can view it as a PDF document in the system.

Method 3: Use Online File Viewer for Opening ASPX File Extension

It is common to find several online file viewers to view the data stored in an ASPX file. These platforms take care of everything in the backend. Users are only required to upload the file into the websites and directly access the file viewer. Although, it may not be safe as you are uploading your data into anonymous servers. We have another method that will eradicate this issue.

use online file viewers
use online file viewers

See Also: Free file viewer software.

Method 4: Use Third-Party Application for Opening ASPX File Extension

At last, you can consider downloading an effective .aspx file viewer on the local computer drive. These applications are easily available on various third-party websites and help you access any file format. It is much safer as the file is not uploaded on the internet.

use third party apps
use third party apps

See Also: Get free file viewers.

One of the only disadvantages of using this method is that you get a limited number of files. Once you exhaust the limit, the tool will force you to buy a premium subscription. Hence, make sure about the pricing before downloading the third-party application.


In the end, you can now proceed with any of the mentioned procedures while opening ASPX file on your device. If you find any suspicious file, delete it immediately to avoid malware in the system. It is better to safeguard user privacy while extracting the data from the hard drive. Otherwise, you might end up corrupting the computer while handling the file. Also, check the source of your file and avoid downloading anything from third-party platforms.

See Also: bin file opener.

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