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This is a utility with a graphical user interface and a command line interface that can be used to view and extract the contents of an MSI file.

To extract from the command line: lessmsi x []

For more command line usage see CommandLine.

Lessmsi also integrates with Windows Explorer so that you can right-click on a Windows Installer file (.msi file) and select "Extract Files" to extract it into a folder right there:

Just select Preferences from the Edit menu to enable (or disable) the explorer integration:

In addition to allowing you to extract files from the command line and from inside Windows Explorer, lessmsi has a graphical user interface that allows you to view detailed information about any MSI file.

Windows Installer (.msi files) are based on an internal database of tables. Lessmsi features a viewer for those tables. Useful for people who work a lot with installers.

If you have a problem please submit it by clicking in the Issue tracker and I'll look into it when I can.

Contributions are welcome! There is a !readme.txt file included with the source that contains a TODO list and plans. Submit new issues on the issues tab of this project with with patches and I'll merge your contributions ASAP.

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Originally from Scott Willeke's blog http://blogs.pingpoet.com/overflow and http://blog.scott.willeke.com. It was also called Less Msiérables as well as lessmsi.