: The file extension. NSP stands for "Nintendo Submission Package." It is the format used by the Nintendo eShop for digital games, updates, and DLC. About Two Point Campus
on a physical Nintendo Switch for playing backups. Two Point Campus [0100D4A012FF2000][v0][US].nsp...
The string you provided, , is a specific file name for a Nintendo Switch digital game backup. : The file extension
If you downloaded this file from the internet, be cautious. Distributing or downloading copyrighted game files (piracy) is illegal in many regions, and files from untrusted sources can sometimes contain malware or be corrupted. Two Point Campus [0100D4A012FF2000][v0][US].nsp...
: This is the Title ID , a unique 16-character hexadecimal identifier used by the Nintendo Switch system to recognize this specific game.