Because this is labeled "part1", you will need all subsequent parts (part2, part3, etc.) located on the same site to extract the file correctly.
Based on the naming convention, NINO-KNIRK-PE-NSwTcH-[BASE]-NSP-Ziperto.part1.rar refers to a split archive file for a Nintendo Switch game (NSP format) distributed via the website Ziperto.
Represents the game title, which appears to be NinoKuni (Ni no Kuni) for the Nintendo Switch. NINO-KNIRK-PE-NSwTcH-[BASE]-NSP-Ziperto.part1.rar
Indicates this is the base game file, not an update or DLC.
Use software like WinRAR or 7-Zip to extract the contents. You only need to extract part1 , and it will automatically pull from the other parts. Because this is labeled "part1", you will need
These files are generally used for installation on custom firmware (CFW) Nintendo Switch consoles or for emulation using software like Yuzu or Ryujinx.
Ziperto is a known repository for Switch NSP/XCI files. Indicates this is the base game file, not an update or DLC
Identifies this as the first part of a multi-part RAR archive hosted by Ziperto. Key Information & Usage Notes