: Before opening, scan the file using updated security software such as Microsoft Defender Malwarebytes Use a Sandbox
.7z files are a type of compressed archive, similar to .zip or .rar files, but they offer better compression ratios and are often used for distributing large files over the internet. The .7z format is open-source and has become widely supported by various file archiver programs, making it a popular choice for software distribution.
Downloading and opening such archives carries several significant risks: Malware Distribution