The .rar format is used to reduce file size and provide error-checking (SFV) to ensure the data wasn't corrupted during download.
The file is part of a "scene release." Because high-quality games are often several gigabytes in size, release groups split the ISO (disk image) into smaller, manageable .rar chunks (Part 1, Part 2, etc.).
This specific file cannot be opened or used in isolation. To extract the game, a user must have all accompanying parts (e.g., part1.rar , part3.rar ) in the same folder.
This report examines the file , a specific data archive associated with the digital distribution of the video game Let's Sing 2019 . File Overview Filename: Lets.Sing.2019-DARKSiDERS.part2.rar