If the source is unknown, do not extract it on your primary machine. Use a Sandbox or a Virtual Machine.
Use a tool like 7-Zip to "Test" the archive. This will list filenames without extracting them. Noah.7z
It might be a custom backup for a specific application like Frontu or Plaky . Next Steps for Analysis If the source is unknown, do not extract
Without the ability to inspect the file directly, a write-up depends on the context of where you found it. Possible Contents This will list filenames without extracting them
It may contain materials related to historian Yuval Noah Harari , such as transcripts or research papers.
did you download the file from (e.g., GitHub, a forum, a personal email)? What is the approximate file size? Do you have any information about the original author?