: This file only contains a portion of the total data. You cannot extract it successfully unless you have all the other numbered parts in the same folder.
The term "deep feature" in this context usually refers to a specific technical configuration or a metadata extraction process:
: If you see a config.txt or CFG file associated with a 7z archive, it often controls "deep" installation features, such as parameter forwarding, silent installation, or running specific programs automatically after extraction.
