Once you have successfully merged the parts into a single NSP, there are several ways to get it running on your device:
: 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? LM3-RF-NSwTcH-NSP-Ziperto.part2.rar
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 Once you have successfully merged the parts into
: 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
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
When you see a file ending in .part2.rar , it means the original game file was too large for a single upload and was split into smaller chunks.