If your goal is to send a legitimate file, you should . It looks like a virus. Instead, use a specific, descriptive subject: Bad: Download File Jack Harrison.rar
If you are trying to write a "solid" email using this subject:
: Malware authors use .rar files to hide executable malicious code ( .exe , .scr , or .vbs ) from basic antivirus scanners that may not automatically unpack compressed archives.
: If you have already clicked the link or downloaded the file, disconnect from the internet and run a full system scan with a reputable antivirus like Malwarebytes or Windows Defender .
: Usually, these emails contain very little text or use "canned" professional language to pressure you into clicking without thinking. Recommended Actions
: Avoid clicking any links or downloading the attachment.
: If this is a corporate account, report it to your IT security team. Otherwise, mark it as Spam/Phishing and delete it immediately.