MSP file icon

MSP File Extension

Windows Installer Patch
  • Developer
  • Category
  • Popularity
    3.4 (5 votes)

What is MSP file?

Full format name of files that use MSP extension is Windows Installer Patch. Microsoft defined the Windows Installer Patch format standard. MSP file format is compatible with software that can be installed on system platform. MSP file format, along with 323 other file formats, belongs to the System Files category. The most popular program for handling MSP files is Windows Installer, but users can choose among 1 different programs that support this file format. Software named Windows Installer was created by Microsoft Corporation. In order to find more detailed information on the software and MSP files, check the developer’s official website.

Programs which support MSP file extension

Files with MSP 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 MSP file

How to open file with MSP extension?

Being unable to open files with MSP extension can be have various origins. Fortunately, most common problems with MSP 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 MSP files.

Step 1. Install Windows Installer software

Install software to open MSP file Problems with opening and working with MSP files are most probably having to do with no proper software compatible with MSP files being present on your machine. This one is an easy one. Select Windows Installer or one of the recommended programs (for example, Microsoft Windows) and download it from appropriate source and install on your system. The full list of programs grouped by operating systems can be found above. If you want to download Windows Installer installer in the most secured manner, we suggest you visit Microsoft Corporation website and download from their official repositories.

Step 2. Update Windows Installer to the latest version

Update software that support file extension MSPYou still cannot access MSP files although Windows Installer is installed on your system? Make sure that the software is up to date. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. This can be one of the causes why MSP files are not compatible with Windows Installer. The latest version of Windows Installer should support all file formats that where compatible with older versions of the software.

Step 3. Assign Windows Installer to MSP files

If the issue has not been solved in the previous step, you should associate MSP files with latest version of Windows Installer you have installed on your device. The next step should pose no problems. The procedure is straightforward and largely system-independent

Associate software with MSP file on Windows

Change the default application in Windows

  • Clicking the MSP with right mouse button will bring a menu from which you should select the Open with option
  • Select Choose another app → More apps
  • The last step is to select Look for another app on this PC option supply the directory path to the folder where Windows Installer is installed. Now all that is left is to confirm your choice by selecting Always use this app to open MSP files and clicking OK.
Associate software with MSP file on Mac

Change the default application in Mac OS

  • Right-click the MSP file and select Information
  • Proceed to the Open with section. If its closed, click the title to access available options
  • Select Windows Installer and click Change for all...
  • If you followed the previous steps a message should appear: This change will be applied to all files with MSP extension. Next, click the Continue button to finalize the process.

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

Should the problem still occur after following steps 1-3, check if the MSP file is valid. It is probable that the file is corrupted and thus cannot be accessed.

Check MSP file for viruses
1. Verify that the MSP in question is not infected with a computer virus

Should it happed that the MSP is infected with a virus, this may be that cause that prevents you from accessing it. Immediately scan the file using an antivirus tool or scan the whole system to ensure the whole system is safe. If the MSP file is indeed infected follow the instructions below.

2. Check whether the file is corrupted or damaged

If the MSP file was sent to you by someone else, ask this person to resend the file to you. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. When downloading the file with MSP extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Verify whether your account has administrative rights

Sometimes in order to access files user need to have administrative privileges. Log out of your current account and log in to an account with sufficient access privileges. Then open the Windows Installer Patch file.

4. Make sure that the system has sufficient resources to run Windows Installer

The operating systems may note enough free resources to run the application that support MSP files. Close all running programs and try opening the MSP file.

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

Up-to-date system and drivers not only makes your computer more secure, but also may solve problems with Windows Installer Patch file. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle MSP files.

Do you want to help?

If you have additional information about the MSP 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 MSP file.

Top File Extensions
Show more
File Extension of the day
dvr icon


Microsoft Recorded TV Show

DVR file format is used by Microsoft Windows Media Center, an applications that can record and playback tTV shows. DVR file holds information regar...