A useful feature of using or 7-Zip for these files is the "Extract to [Folder Name]" function. Why this feature is useful:
: The Nintendo Switch cannot read .rar files directly. You must extract the installable files (usually .nsp , .nsz , or .xci ) and move them to your SD card's "switch" or "NSPs" folder to use them with apps like Goldleaf or Tinfoil . How to open and extract rar files on Windows 10 pc?
: Many Switch downloads are split into multiple parts (e.g., .part1.rar , .part2.rar ). When you select all parts and use this feature, the software automatically merges them into a single usable file, such as an .nsp or .xci .