: .nsp (Nintendo Submission Package), which is the standard format for digital eShop games.
The file you are looking for is the for "Cat Tales." The specific string in your query refers to: Game Title : Cat Tales Cat Tales [0100EF5019980000][v0][US].nsp.rar
The .rar extension indicates that the .nsp file has been compressed into an archive to reduce its size for sharing or storage. To use it, you will need to extract the archive using a tool like or WinRAR . Once extracted, the .nsp file is typically installed on a modified Switch console using tools like the DBI Installer or Tinfoil . : .nsp (Nintendo Submission Package)