: Since this is "Part 1," you cannot open it alone. You must have all subsequent parts (e.g., part2.rar, part3.rar, etc.) in the same folder. You then extract only Part 1 using software like WinRAR or 7-Zip, and the program will automatically pull data from the other parts to recreate the full .nsp file.
: This refers to the source website where the file was originally hosted or indexed. SMODYSEY-NSwTcH-[BASE]-NSP-Ziperto.part1.rar
: A common abbreviation used by release groups to denote the Nintendo Switch platform. : Since this is "Part 1," you cannot open it alone
The filename you've provided, , indicates a compressed archive file typically used for distributing digital content. Filename Breakdown : This refers to the source website where
: This indicates that the file contains the base game itself, rather than just an update (UPD) or downloadable content (DLC).
: This is likely a shorthand or "scene name" for the game Super Mario Odyssey .