You cannot extract part1.rar on its own. The extraction utility requires all subsequent pieces ( part2.rar , part3.rar , etc.) located within the same directory to successfully reassemble the underlying file. 4. The "Patched" Identifier
: NSP (Nintendo Switch Package) is a standard file format used for digital game installations and updates on the Switch.
The standard FAT32 file system used on most Nintendo Switch consoles cannot store any single file larger than 4GB. Because game updates often exceed this limit, distributors break the archive down into sequential segments labeled as .part1.rar , .part2.rar , and so on. The Purpose of the Patched 1.0.2 Update