S1 396.7z.001 -

: This identifies this specific file as Part 1 of a multi-part set. Step 1: Gather All the Parts

While modern versions of can natively open simple .7z files, they often struggle with split .001 segments. It is highly recommended to use a dedicated tool: S1 396.7z.001

The .7z.001 extension indicates that a large file was compressed using 7-Zip and then sliced into smaller chunks. : This is likely the specific project or file name. : This identifies this specific file as Part