: Use a tool like 7-Zip (Official Site) or WinRAR.
: If you are missing even one part (like .001 ), the extraction will fail with a "Data Error" or "Unexpected End of Archive." Videos PACK 23.7z.002
: Indicates the archive was created using 7-Zip compression. .002 : Indicates this is the second part of the sequence. How to Open and Extract It : Use a tool like 7-Zip (Official Site) or WinRAR