The string refers to a compressed file archive containing a specific Nintendo Switch game. The name is composed of several technical and community-specific identifiers:
: Unlike physical cartridge dumps (XCI), NSP files function as digital keys that install the game directly to the console's internal storage or SD card. onnki-rf-nswtch-nsp-up131072-ziperto-rar
: NSP files are generally more compressed than XCI files because they exclude the empty "padding" data found on physical cartridges. The string refers to a compressed file archive
: Often represents a specific update or version ID associated with the game's file structure. onnki-rf-nswtch-nsp-up131072-ziperto-rar