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Transform Projects

InstallShield 2015

A transform (.mst file) is a simplified Windows Installer database that contains the differences between two .msi databases. Transforms enable an administrator to apply modified settings to a database when deploying an installation package.

InstallShield has a transform project type that enables you to edit .msi packages without having to convert them to an InstallShield (.ism) project. You can save the changes made as a transform (.mst) file.

When you create a transform project or open a transform in InstallShield, the Open Transform Wizard launches to gather information about the base .msi file and any additional transform files that you want applied to the base .msi file.

See Also

Editing Transforms