Only download RAR files from trusted sources, as they can sometimes contain harmful content, similar to any other file type. To provide more specific help, I need to know: Are you getting a specific error message ?
You must download all parts in the set (e.g., part1 , part2 , part3 , etc.) and place them in the same folder. AreaZ.part1.rar
The extraction will fail if the parts are named differently or are not in the same directory. Only download RAR files from trusted sources, as
Do you have (e.g., part2, part3) downloaded in the same folder? What operating system are you using (Windows, Mac, etc.)? What is a RAR File - Cloudmersive APIs AreaZ.part1.rar
If the archive is corrupt, you can use WinRAR's built-in Repair Command to fix it.