Because it is a 7z archive, you can expect the following features:

: The format handles extremely large files, up to roughly 16 exabytes . How to Access Content

: It likely uses the LZMA2 or LZMA algorithm, which typically results in a significantly smaller file size than standard ZIP formats.

The file is a compressed archive in the 7z format , likely containing Polish-language content based on its name, which translates to " Abandoned Victims ".