: The file format. .nsp stands for "Nintendo Submission Package," which is the standard format for digital eShop titles, updates, and DLC on the Switch.
: Represents the version number of this specific file (version 0). : The file format
: Indicates the .nsp file is currently compressed inside a WinRAR archive to reduce download size. How to Use This File : The file format
: If you are using an emulator like Ryujinx, you generally do not "install" the DLC; instead, you point the emulator to the folder containing your .nsp files or use the "Install to NAND" feature within the emulator menu. : The file format