The ".002" extension represents a "span" in a bridge. Without the preceding and following parts, the data remains encrypted or compressed in a vacuum.
: The decompression software reads the header in Part 001 and treats the subsequent parts as a continuous stream of binary data. VIDSpart1.7z.002
: Signifies that this is the second "chunk" of a larger sequence. VIDSpart1.7z.002
When large datasets (like high-definition video collections) exceed the size limits of storage media or email attachments, they are broken into smaller segments. : Indicates the primary compression format (7-Zip). VIDSpart1.7z.002