While these file formats are used for legitimate backups of owned games, downloading them from third-party sources is considered . Easily Add Updates & DLC To Nintendo Switch Games - Windows
For those in the NSP/XCI community, that means another update file will appear. Keep an eye on the Title ID 010012301A91A800 (update path) versus base 010012301A91A000 . bluey the videogame switch nsp xci update