: Using 7-Zip's File Manager , you can view file attributes, such as the total size versus the compressed size, and the specific compression method used (likely LZMA2).
: If you are on Windows 11 and don't see these options, you may need to click "Show more options" or enable shell integration in 7-Zip's Tools > Options menu . AC25B5010_Up7.7z
Windows 11 getting native support for 7-Zip, RAR, and GZ archives : Using 7-Zip's File Manager , you can
: Once installed, you can often right-click the file and select "Open archive" or "7-Zip > Open archive" to browse its internal folders. : Using 7-Zip's File Manager
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.