It is highly effective for archives containing many similar files (e.g., multiple order logs or CSVs), as it finds redundancies across the entire block rather than just within individual files.
It will also show the count; a single block often means the entire archive is one solid stream. Using Command Line ordersarchive.7z
You can generate a "report" on your archive's solid status using the or Command Line : Using 7-Zip GUI Open the 7-Zip File Manager . Right-click ordersarchive.7z and select Properties . Look for the Solid field: "+" or "Yes": The archive is solid. "-": The archive is not solid. It is highly effective for archives containing many
Run the following command to see technical details: 7z l ordersarchive.7z Right-click ordersarchive
If a solid archive is corrupted, it is much harder to recover individual files compared to a non-solid archive (like a standard .zip ). How to Check the Solid Status
Extracting a single file from a solid archive can be slower because the software may need to decompress the entire "solid block" preceding that file.