If you have downloaded or encountered a file with this specific name, it is highly likely to be a custom archive created by an individual, a localized project, or potentially a malicious file masking itself under a random name.
Use free tools from the App Store like or Keka to extract RAR contents. Possible Contexts for "AnDay" Archivo de Descarga AnDay​​.rar
Alternatively, use the free and open-source program 7-Zip, which can easily unpack RAR files. If you have downloaded or encountered a file