Hl_001_2.7z -

: You must have all related files (e.g., HL_001_2.7z.001 , .002 , etc.) in the same folder.

: Ensure all parts have the exact same base filename, differing only by the sequence number at the end. HL_001_2.7z

: Right-click only on the file ending in .001 . : You must have all related files (e

: If you see a "Cannot open file as archive" error, the header may be damaged. You can try opening it in a hex editor to verify the start and end headers. HL_001_2.7z