Tractoracorn.7z -

If you’ve stumbled upon a file named you are likely looking at a compressed archive created with 7-Zip . The name suggests it might be a specific data dump, project backup, or part of a larger set of files, though it isn't a widely documented public software package.

The format is open architecture and free to use through tools like the 7-Zip open-source software. How to Open It

It uses the LZMA and LZMA2 algorithms to pack data much more tightly than other formats.