: The .rar extension indicates a compressed archive. Because it ends in .part2 , it is one piece of a larger file set; you cannot extract the contents unless you have all parts (e.g., part1 , part3 , etc.).
The file you are looking into, "," appears to be a split-archive part of a pirated or unofficial copy of the Dark Souls III: The Ringed City DLC. Analysis of the File DarkSoulIII.The.Ringed.City.part2 (2).rar
: The (2) at the end of the filename suggests it was downloaded more than once to the same folder on your device. Security Risks DarkSoulIII.The.Ringed.City.part2 (2).rar