807h.7z -
These sets often contain multiple versions of the same game (US, Japan, Europe). Use a ROM manager like ROMVault or clrmamepro if you want to filter down to a "1G1R" (1 Game, 1 Region) set to save space.
If you are using hardware like an EverDrive-64 , you typically need to extract the games first, as the console hardware cannot decompress .7z files in real-time. Managing the Contents 807h.7z
Once extracted, the .z64 or .n64 files inside can be played using emulators like Project64 , Mupen64Plus , or the Mupen core in RetroArch . These sets often contain multiple versions of the