The file is a specific archive part for a Nintendo Switch game backup, likely Luigi's Mansion 3 . Handling multi-part archives and NSP (Nintendo Submission Package) files is a common task for enthusiasts of the Switch homebrew scene. Understanding Multi-Part Archives
An is a "Nintendo Submission Package". It is a format used for digital software on the Switch, containing the game ROM, icons, and metadata. These files are used by players to install digital backups or homebrew content onto a modified console. How to Use the Extracted File LM3-RF-NSwTcH-NSP-Ziperto.part2.rar
: You cannot open part2.rar on its own. You must have all pieces (part1, part2, etc.) in the same folder. The file is a specific archive part for
: For larger files, tools like DBI or the Switch Archive Combiner (SAC) allow you to install the file from your PC via a USB-C cable, bypassing the 4GB file limit of FAT32 SD cards. Important Safety Note It is a format used for digital software
: Opening only the first part ( part1.rar ) with a tool like WinRAR or 7-Zip will automatically pull the data from all subsequent parts to recreate the full NSP file. What is an NSP File?
Once you have successfully merged the parts into a single NSP, there are several ways to get it running on your device:
Interacting with files from sites like often involves modding your hardware. Always ensure you have a "Clean NAND" backup of your system before installing NSPs to avoid being banned from official Nintendo online services.