.MSP File

The msp file extension is associated with the Microsoft Windows Installer, an application installation and configuration service.

The msp files are used to update the Windows operating system and other Microsoft programs. Typically included with security updates or Microsoft hotfixes.

The Windows Installer Cache, located in c:\windows\installer folder, is used to store important files for applications installed using the Windows Installer technology.

This directory also contains various other data, however you do not delete these files.

Files with msp extension can mainly be found as patch files for Windows Installer service. These files are usually part of updates.

How to open:

Used for internal purposes of Windows Installer.

How to convert:

There is no way how to convert msp files to other file format.