.RUL File Extension
InstallShield Rules File
Developer | Flexera Software |
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What is a RUL file?
File used by InstallShield, a program used for creating Windows software installers; contains source code written in InstallScript, a proprietary language used for InstallShield projects; used for scripting custom installation functionality.
More Information
RUL files are named Setup.rul by default when you select File → New Script File from an open InstallShield project. Subsequent RUL files use the name SetupN.rul, where N is an incrementing number.
Programs that open RUL files
Windows