MSI - Microsoft Installer Web Sites Desktop Engineers Junk Drawer - Nice site with lots of info regarding software deployment - articles about msi-packaging, scripting, WMI, SMS, group policies, etc. HOW TO: Create Third-Party Microsoft Installer Package (MSI) (Q257718) - Very fine starting point if you're creating your own msi-files for applications on your network. White Papers Windows Installer Service Overview - Microsofts official white paper on the Windows Installer Service, responsible for installation of .msi packages. 15 pages. Programs Orca - Orca is a program for editing msi packages. You can use it to customize actions, sequence, variables, etc. You can also use it to create custom actions in order to run a script or executable during the install of an application. Orca is part of the Windows Installer SDK.