001-100.7z.002 -

: Part .002 contains the middle chunk of the data; it has no "header" or "footer," which is why it won't open by itself.

: Ensure 001-100.7z.001 , 001-100.7z.002 , and so on, are together. 001-100.7z.002

: Right-click only the first file ( .001 ). Extract : Select "Extract Here" or "Extract to folder." : Part

: Large files (like 100GB of data) are often cut into smaller pieces for easier uploading or storage. it has no "header" or "footer