If you can provide context on where you found this string, I can give you a much more specific answer.
On Linux and macOS systems, the unrar command-line utility provides extraction capabilities: hrj01280451rar
If this code came from a workplace email or database: If you can provide context on where you
Encountering a file like hrj01280451rar highlights the need for digital literacy and responsible file management. Before you ever open an unknown file, especially an archive, ask yourself: especially an archive
Right-click the file and select your antivirus program to scan.