If you can tell me or what it’s supposed to contain , I can help you figure out if it's safe to open.
Because .rar files are compressed archives, they typically contain multiple files or folders. If you see text related to this file, it is likely one of the following:
: Some RAR files include a text comment that displays in the sidebar when you open the file in WinRAR . This is often used for descriptions, download links, or instructions.