: The .rar extension signifies it was created using the Roshal Archive format.

: You cannot extract "Part2" alone. You must also have the preceding part (likely "Part1") and any subsequent parts in the same folder. Extraction Method : Place all segments (Part1, Part2, etc.) together.

The software will automatically detect and "stitch" Part2 and others together to recreate the original file. Troubleshooting