: Since it ends in .part2.rar , you cannot open it alone. You must have Pizza2.part1.rar (and any subsequent parts) in the same folder. Opening the first part with a tool like WinRAR or 7-Zip will automatically pull the data from part 2.
: If this is related to a specific simulation (like Pizza Tower mods or Five Nights at Freddy's fan games), please let me know so I can look for specific installation or gameplay instructions for that version. Pizza2.part2.rar
However, there is no official "deep guide" for a file with this exact name in mainstream documentation. To provide the specific help you need, could you clarify what this archive is supposed to contain? How to handle this file: : Since it ends in