Platform SDK: Windows Installer

Windows Installer File Extensions

The following file name extensions are used with the Microsoft� Windows� Installer.

Extension	Description
.msi	Windows Installer Database.
.msm	Windows Installer Merge Module.
.msp	Windows Installer Patch.
.mst	Windows Installer Transform.
.idt	Exported Windows Installer Database Table.
.cub	Validation module.
.pcp	Windows Installer Patch Creation File

See Also

Installation Package, Merge Modules, Patch Packages, Transforms, Importing and Exporting, Sample .CUB File