MSPX file icon

MSPX File Extension

Microsoft ASP.NET Web Page
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What is MSPX file?

Full format name of files that use MSPX extension is Microsoft ASP.NET Web Page. Microsoft defined the Microsoft ASP.NET Web Page format standard. Files with MSPX extension may be used by programs distributed for Mac OS, Windows platform. MSPX file belongs to the Web Files category just like 303 other filename extensions listed in our database. Microsoft IIS supports MSPX files and is the most frequently used program to handle such files, yet 3 other tools may also be used. Microsoft IIS software was developed by Microsoft Corporation, and on its official website you may find more information about MSPX files or the Microsoft IIS software program.

Programs which support MSPX file extension

The following list contains programs grouped by 2 operating systems that support MSPX files. Files with MSPX extension, just like any other file formats, can be found on any operating system. The files in question may be transferred to other devices, be it mobile or stationary, yet not all systems may be capable of properly handling such files.

Programs that support MSPX file

How to open file with MSPX extension?

There can be multiple causes why you have problems with opening MSPX files on given system. Fortunately, most common problems with MSPX files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. We have prepared a listing of which will help you resolve your problems with MSPX files.

Step 1. Get the Microsoft IIS

Install software to open MSPX file The main and most frequent cause precluding users form opening MSPX files is that no program that can handle MSPX files is installed on user’s system. This one is an easy one. Select Microsoft IIS or one of the recommended programs (for example, Web browser, Mozilla Firefox, Microsoft Internet Explorer) and download it from appropriate source and install on your system. On the top of the page a list that contains all programs grouped based on operating systems supported can be found. If you want to download Microsoft IIS installer in the most secured manner, we suggest you visit Microsoft Corporation website and download from their official repositories.

Step 2. Check the version of Microsoft IIS and update if needed

Update software that support file extension MSPXIf the problems with opening MSPX files still occur even after installing Microsoft IIS, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of Microsoft IIS is available. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. The reason that Microsoft IIS cannot handle files with MSPX may be that the software is outdated. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using Microsoft IIS.

Step 3. Assign Microsoft IIS to MSPX files

After installing Microsoft IIS (the most recent version) make sure that it is set as the default application to open MSPX files. The next step should pose no problems. The procedure is straightforward and largely system-independent

Associate software with MSPX file on Windows

Selecting the first-choice application in Windows

  • Choose the Open with entry from the file menu accessed by right-mouse clicking on the MSPX file
  • Next, select the Choose another app option and then using More apps open the list of available applications
  • Finally select Look for another app on this PC, point to the folder where Microsoft IIS is installed, check the Always use this app to open MSPX files box and conform your selection by clicking OK button
Associate software with MSPX file on Mac

Selecting the first-choice application in Mac OS

  • Right-click the MSPX file and select Information
  • Find the Open with option – click the title if its hidden
  • Select the appropriate software and save your settings by clicking Change all
  • A message window should appear informing that This change will be applied to all files with MSPX extension. By clicking Continue you confirm your selection.

Step 4. Ensure that the MSPX file is complete and free of errors

Should the problem still occur after following steps 1-3, check if the MSPX file is valid. Problems with opening the file may arise due to various reasons.

Check MSPX file for viruses
1. Check the MSPX file for viruses or malware

If the MSPX is indeed infected, it is possible that the malware is blocking it from opening. It is advised to scan the system for viruses and malware as soon as possible or use an online antivirus scanner. If the MSPX file is indeed infected follow the instructions below.

2. Verify that the MSPX file’s structure is intact

Did you receive the MSPX file in question from a different person? Ask him/her to send it one more time. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. When downloading the file with MSPX extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Check if the user that you are logged as has administrative privileges.

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Switch to an account that has required privileges and try opening the Microsoft ASP.NET Web Page file again.

4. Verify that your device fulfills the requirements to be able to open Microsoft IIS

If the system is under havy load, it may not be able to handle the program that you use to open files with MSPX extension. In this case close the other applications.

5. Verify that your operating system and drivers are up to date

Latest versions of programs and drivers may help you solve problems with Microsoft ASP.NET Web Page files and ensure security of your device and operating system. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle MSPX files.

Do you want to help?

If you have additional information about the MSPX file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on MSPX file.

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