When downloading a file split into multiple parts (e.g., part1.rar to part10.rar ), a single missing byte can ruin the entire archive. PAR2 files contain "parity data" that acts as a mathematical backup.
The application scans the downloaded directory to find .par2 files. Par.rar
It checks if any of the RAR parts are corrupted or missing. When downloading a file split into multiple parts (e