Can be converted into an .exe file that extracts itself without needing the 7-Zip software installed.
daemondevin/7-ZipPortable: A portable build of 7-Zip ... - GitHub Stepu.7z
Combines multiple similar files into a single stream to achieve even better compression. Can be converted into an
There is no widely recognized software feature or specific public project named Based on the file extension, this is likely a private compressed archive created with 7-Zip software. Stepu.7z
Supports AES-256 encryption to protect your data with a password.