: The .7z portion indicates it was created using the 7-Zip open-source archiver .
: This file is useless on its own; it must be combined with at least pop.7z.001 (and any other numbered parts like .003 ) to extract the original data. pop.7z.002
The file is the second part of a split (multi-volume) 7-Zip archive . Large files are often split into smaller segments (like .001, .002, etc.) to make them easier to transfer via email, upload to websites, or store on devices with limited capacity. Key Characteristics upload to websites