MSP File

What are MSP files and how to open them

Are you having problems opening a MSP file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your MSP files.

What is a MSP file?

MSP files have multiple uses, and Windows Installer Patch is one of them. Read more about the other uses further down the page.

Windows Installer Patch

These files are designed for quick, easy updating of software.

Windows Installer Patch (MSP) files let Microsoft distribute updates and fixes to applications. These files are compact and include modifications or added features to existing MSI files. This allows the software to be updated without full reinstallation.

Admins can use MSPs on a network environment to quickly distribute software updates while end-users can do the same without needing a full install of the software.

Using an MSP file? Windows Installer takes info in the patch to modify the already-installed MSI file. It's efficient, saving significant system resources and time.

How to open MSP files

We have identified one MSP opener that is compatible with this specific type of MSP file.

Programs that open Windows Installer Patch files

Last updated: January 22, 2025

All known file formats using extension .MSP

While Windows Installer Patch is a popular type of MSP-file, we know of 2 different uses of the .MSP file extension. Different software may use files with the same extension for different types of data.

Microsoft Paint Bitmap

We know that one MSP format is Microsoft Paint Bitmap. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

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

Various apps that use files with this extension

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

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about MSP file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.