If you are automating the process, use the command 7z x filename.7z to extract the contents. If a password is required despite the "No Password" label, use the -p switch (e.g., 7z x -pPassword filename.7z ). Contextual Possibilities
If you find that "No Password" isn't strictly true or you encounter a prompt, try these steps:
The search results for the specific phrase return unrelated technical support for the 7-Zip utility password recovery