Once open, you can browse the internal folder structure. If you are looking for specific code or data "features," you can use tools like Everything to search for specific filenames inside the archive without extracting everything first.
You can use 7-Zip on any computer, including a computer in a commercial organization. You don't need to register or pay for 7-Zip. Search within 7z, RAR, and zip files - voidtools forum HoleSearchPennyBV6.7z
Since it is a .7z archive, you can view its contents by following these steps: How to Look Inside the File To see the features or files contained within the archive: Once open, you can browse the internal folder structure