A .par (Parity Archive) file is not a video file itself. Instead, it is a used during the download process.
: If your download is successful and the main VFX files open correctly, these parity files can typically be discarded. Pack Overview: Big Films Dark Magic 4K Archivo de Descarga Big Films Dark Magic 4K.par...
: It checks if the massive 4K video files in the Dark Magic pack were downloaded correctly without corruption. Archivo de Descarga Big Films Dark Magic 4K.par...