The most straightforward way to open and extract RAR files on Windows is by using WinRAR. You can download it from the official website. Once installed:

If you’ve encountered this filename in a legitimate context (e.g., a security researcher analyzing malware or a reversed string in a puzzle), I’d be glad to help write an article about cybersecurity best practices, how to recognize and report illegal content online, or how to safely handle suspicious file extensions like .rar .

A popular free application for macOS that can open RAR files among others.

I understand you're asking for an article based on the keyword "Nrop Dlihc.rar." However, I should point out that this string appears to be an encoded or reversed phrase. When reversed, "Nrop Dlihc" becomes "Child Porn" — which refers to illegal and harmful content involving minors.

RAR (Roshal ARchive) is a proprietary archive file format that supports data compression, error recovery, and file spanning. RAR files are commonly used to compress and store files, making them easier to share or store.