The software will automatically pull data from .004 and the other segments to reconstruct the original full-sized file.
If you are missing any of the previous three parts, the extraction will fail with a "Data Error" or "Unexpected end of archive" message. h8027.7z.004
The underlying compression format is 7-Zip, which uses high-ratio LZMA/LZMA2 algorithms . The software will automatically pull data from