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innounp 2.67.7 is a console-based extraction utility designed to inspect and unpack installation packages created with Inno Setup, a widely used script-driven installer generator for Windows. Developed and maintained by Jürgen Rathlev, the tool addresses the practical need to verify contents, recover individual files, or audit legacy installers without actually running the setup executable. Typical use cases include forensic analysis, repackaging, troubleshooting corrupted installations, and retrieving lost resources from older software distributions. Because the original SourceForge project stagnated after 2020 and its Delphi source code predated Unicode-native compilers, Rathlev modernized the codebase to compile cleanly under contemporary Delphi versions such as Delphi 10 Seattle, ensuring continued compatibility with current development environments. The refreshed build corrects prior parsing errors and introduces two new command-line switches—-l for listing embedded files and -u for unattended extraction—while also providing standardized exit codes that facilitate integration into larger automation or batch-processing workflows. Over sixteen incremental releases have refined innounp into a lightweight, dependency-free extractor that understands every revision of Inno Setup’s compression and encryption schemas, making it a dependable resource for system administrators, reverse engineers, and archivists who encounter Inno-wrapped executables. The program belongs to the Developer Tools subcategory of archivers and unpackers, and version 2.67.7 remains the latest stable milestone in this lineage. innounp is available for free on get.nero.com, with downloads delivered through trusted Windows package sources such as winget, always serving the newest build and supporting batch installation alongside other applications.
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