: Another versatile option often recommended for complex archives.
If one byte of data is corrupted in any part (like part 2), the entire archive may become unusable. Tools like 7-Zip often provide a "Check CRC" or "Test" function to find the broken link.
It looks like the keyword you provided— "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX.part2.rar" —is not a standard topic for a long-form article, but rather a fragment of a multi-part archive filename (likely placeholders or an obfuscated string).
The software will automatically detect Part 2, Part 3, and so on, and pull the data from them sequentially to rebuild the original file.