The file is a compressed archive containing a digital backup for the Nintendo Switch version of Pinball FX3 . Breakdown of the Filename
To use this file, you generally need a Nintendo Switch with like Atmosphere.
: This is a compressed archive format. You must extract it on a PC using software like 7-Zip or WinRAR to access the actual .nsp file inside. How to Use the File
: This is the unique Title ID for the North American (US) release of Pinball FX3.