: Simply looking at the contents of a RAR file is generally safe; the danger only arises once you extract and execute an application (like an .exe or .bat file) found inside.
While there is no widely documented "FMULD7.rar" file in mainstream software or gaming databases, the extension indicates it is a compressed archive created with software like WinRAR . What is a .RAR File? FMULD7.rar
Knowing its origin (e.g., a specific website, email, or game mod forum) can help identify if it is a legitimate file or a potential security risk. How to Open RAR Files on Windows, Mac, and Mobile - Avast : Simply looking at the contents of a
: It uses advanced algorithms to reduce file sizes more efficiently than standard ZIP files. a specific website