: Use the official 7-Zip utility or alternative tools like WinZip or Unzip One to perform the extraction.
: Ensure you have all sequential files in the same folder (e.g., .001 , .002 , .003 , and .004 ).
The file you are referring to, .7z.004 , is the of a split multi-volume compressed archive created using the 7-Zip software.
Do you have the of this archive (files ending in .001 through .003) saved in the same location?
You can use 7-Zip on any computer, including a computer in a commercial organization. You don't need to register or pay for 7-Zip. How to Extract .7z.001 files - Microsoft Q&A
