Home : File Types : MSI File

.MSI File Extension

File TypeWindows Installer Package

3.8 (243 Votes)
CategoryMisc Files

What is an MSI file?

An MSI file is a package that contains installation information for a particular installer, such as files to be installed and installation locations. It may be used for Windows updates as well as third-party software installers.

More Information

The contents of an MSI package may be extracted using a file decompression utility like 7-Zip.

NOTE: In Windows Vista, .MSU files are used to install system updates and hotfixes.

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Programs that open MSI files

Updated 5/24/2016

About MSI Files

Our goal is to help you understand what a file with a *.msi suffix is and how to open it.

The Windows Installer Package file type, file format description, and Windows programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and only publish information about file formats that we have tested and validated.

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