Neither the Nintendo Switch nor emulators like Ryujinx can play an .xci7z file directly. You must extract the .7z archive first to get the playable .xci file.
An open-source archive format known for high compression ratios. Is XCI7Z "Better" than Standard Formats? tears of the kingdom xci7z better
Optimizing Zelda: Tears of the Kingdom : Is the XCI7Z Format Better? Neither the Nintendo Switch nor emulators like Ryujinx
