: This feature improves the compression ratio when the archive contains many similar files by treating them as a single continuous data stream.
The file is a compressed archive created using the 7-Zip software. The ".7z" extension indicates it utilizes the 7z archive format, which is an open-source, high-compression container. Core Features of the 7z Format
To view or extract the "deep features" (internal files) of this specific archive, you need a compatible decompression tool: