What are you trying to accomplish with this file?
To better help you, could you clarify what you mean by a ""?rar parts into the single .xci file?
If you are trying to extract the file, ensure you have WinRAR or 7-Zip installed. You generally only need to right-click "part1" and select "Extract Here," and the software will automatically pull data from the other parts.
: How to use cheats, save editors (like PKHeX), or specific in-game features for this version?
: Fixing an error where part of the archive is missing or corrupted?
It sounds like you are looking for information or assistance with a multi-part archive file for . When a file is split into parts like "part1.rar", it usually means you need all the accompanying parts (part2, part3, etc.) in the same folder to successfully extract the full (XCI) game file.