Recall Switch Nsp (eshop) -

Files downloaded from unofficial, third-party sites can contain malware or cause system instability.

These files require a jailbroken Switch running custom firmware (like Atmosphere) and tools like Goldleaf or Tinfoil to install them onto the system or SD card [5.4]. ⚠️ Essential Warnings & Legalities RECALL Switch NSP (eShop)

Downloading NSP files for games you do not officially own via the Nintendo eShop is considered piracy [5.5]. It is the standard format for digital games

It is the standard format for digital games and DLC downloaded from the Nintendo eShop [5.5]. Are you trying to or looking for a backup

Distributing, downloading, or using circumvention tools to install pirated games is illegal and violates Nintendo’s intellectual property rights [5.3].

If you are looking for information on installing a file you already own, I can provide steps on using [5.4].

Are you trying to or looking for a backup? Do you have a modded Switch console already?