The standard file format for Nintendo Switch digital games/packages.
🚀 : This is a pirated copy of a Nintendo Switch game (likely Paper Mario) bundled with mods. Proceed with caution regarding site redirects and potential malware. If you'd like, I can help you with: Finding official patches or DLC info for Paper Mario. PM-MOD-RT-RF-NSwTcH-NSP-Ziperto.rar
Use a tool like 7-Zip or WinRAR to extract the .nsp file from the archive. The standard file format for Nintendo Switch digital
If you have legally obtained this file and intend to use it for emulation or on a modded console: PM-MOD-RT-RF-NSwTcH-NSP-Ziperto.rar