: If you get an "unexpected end of data" error, you are likely missing one of the numbered volumes.
: Select 7-Zip > Extract Here or Extract to "Second/" . Common Troubleshooting
: Ensure all files have the exact same name before the .001 , .002 suffix.
: Ensure you have every numbered segment in the same folder (e.g., Second.7z.001 , Second.7z.002 , etc.).