.ISN File Extension
File TypeInstaller Source File
What is an ISN file?
An ISN file is an installer source file used by InstallShield, a tool used to create installers for Windows software packages. It contains a list of the source files required for installing a software package. ISN files also contain information about the order the files are extracted and where to install them.
Flexera Software was formerly known as Acresso until it changed its name in October 2009.
Setup.isn - The common name given to ISN files.