Automated scripts or "save as" mistakes can accidentally append a second extension to a file that was already compressed.
Use a reputable antivirus or a service like VirusTotal to ensure the archive does not contain Trojans or ransomware. kobenhavn.rar.rar
"København" is the native name for Copenhagen, the capital of Denmark. Files bearing this name typically fall into several categories: Automated scripts or "save as" mistakes can accidentally