The .7z.002 extension confirms this is a "split" archive. Because 7-Zip cannot read part 2 without part 1, the file is currently unusable on its own. How to use this file
Split files (except for the last one) are usually exactly the same size. If one is smaller, the download may be corrupted.
Based on common file-naming conventions found in digital media archival and sharing communities, this code typically refers to:
Right-click the file ending in .001 and select "Extract Here." The software will automatically pull data from part .002 to reconstruct the original video or folder.