It often shrinks files significantly more than standard ZIP software.

Since Windows and macOS don't always have native support for .7z files, you will need a third-party tool.

Have you ever come across a file named while browsing for software or downloads? If you aren't a power user, seeing a .7z extension can be confusing. Unlike standard .zip files, these require specific tools to open.

Below is a draft blog post explaining what these files are, why you might encounter them, and how to safely handle them. Understanding w144.7z: A Guide to Modern File Compression