To see what is inside "AN (3).rar," you will need an extraction utility since Windows and macOS do not always support RAR files natively:
A file named is a compressed archive file, where "AN" is likely a shorthand name or acronym, and the "(3)" indicates it is the third copy or version of that file downloaded to a specific folder. AN (3).rar
Use apps like RAR (by RARLAB) on Android or iZip on iOS. Safety Note To see what is inside "AN (3)