To understand Switch file management, one must first distinguish between the two primary base formats. Originally used for official digital eShop content [1].
: You need the base game (either NSP or XCI) and the Update file (usually labelled "UPD" or "Update [v1.4.1].nsp"). Super Mario Odyssey Switch NSP XCI UPDATE
Emulators accept both XCI and NSP formats seamlessly. To understand Switch file management, one must first