Tags : file extension ISU

All-in-One ISU File Viewer – FileMagic

October 11, 2026 Uncategorized

An ISU file is most commonly an InstallShield Uninstall Script file created by software that uses InstallShield. It stores instructions that help Windows uninstall an application, including information about files, folders, shortcuts, and registry entries that may need to be removed. What Is an ISU File Used For? ISU files are primarily used during the …