File23.part2.rar -

The "part2" means this is the second segment of the total set. For the extraction to work, you usually need every piece in the sequence (e.g., file23.part1.rar , file23.part2.rar , file23.part3.rar ).

Ensure all numbered parts of "file23" are in the same folder . If one is missing, the archive is incomplete and cannot be opened. file23.part2.rar

WinRAR (the original) or 7-Zip (free and open-source). macOS: The Unarchiver or Keka . Linux: unrar via the command line. The "part2" means this is the second segment

Sometimes a specific part (like part 2) gets corrupted during download. Most download managers can re-verify the file, or you may need to download that specific part again. file23.part2.rar