The Orca database editor is a tool for the Windows operating system for editing Windows Installer files, that lets you change files with the .msi extension, due to the existing limitations in this type of file. To replace this tool they created SuperOrca MSI Editor. It is a simple utility that lets you examine and modify a .msi file database.
Even though it`s free, with SuperOrca MSI Editor you can work freely and without need to download and install the SDK pack from Microsoft. One of the most interesting characteristics of SuperOrca MSI Editor is that it lets you modify the file without blocking it, and so you can work on it with other tools even when it stays open. Also, it incorporates a function that lets you compare MSI files, indicating the differences that exist between them, and a search tool with which to locate all the database tables in just one operation.
In definitive, with SuperOrca MSI Editor you can scan and manipulate all the MSI database tables in an intuitive and easy to use interface, without needing other applications.