If you simply have a file named asia1.rar and cannot open it:
: The standard for Windows users to manage .rar archives. Regional Assessment Report on Disaster Risk Reduction 2023 asia1.rar
If you are looking for official regional data, "RAR" often stands for . Organizations like the United Nations Office for Disaster Risk Reduction (UNDRR) publish these to evaluate regional risks: If you simply have a file named asia1