It could be a legitimate backup of old files, a software driver, or a collection of documents you archived years ago.
The original software created for this format (Windows). CD_FH.rar
If you have verified that the file is safe and you actually need to see what is inside, you will need a special program to "unrar" or extract it. Windows and Mac do not always support RAR files natively like they do with ZIP files. Here are the most popular, trusted tools to use: It could be a legitimate backup of old
Cybercriminals often use vague, technical-sounding names like this to disguise malware, Trojans, or phishing scripts. 🛑 Golden Rules of File Safety a software driver