Un09.rar -

Refers to Risk Analysis and Remediation reports. These are management-level summaries, often graphical, used to identify security risks or compliance issues in enterprise systems.

Use a utility like 7-Zip or WinRAR to open the archive. un09.rar

If it's a "Preliminary RAR" file, it likely contains the reporting templates required by regulatory bodies for that year. Refers to Risk Analysis and Remediation reports