If you are looking to "look into" the file to see what it does, follow these steps:
: Because files with generic names like "un101" are often shared on third-party forums, always run a checksum or scan the file through a service like VirusTotal before running any executables ( .exe ) found inside. un101.7z
: Look for .txt , .inf , or .nfo files inside the archive; these usually contain the version history or installation instructions. If you are looking to "look into" the
: Frequently found in "repacks" of software where installers call upon specific .7z blocks to rebuild the application. or .nfo files inside the archive