Use "Normal" for a balance of speed and size, or "Ultra" for maximum compression (which takes longer).
If the recipient cannot open .7z , use .zip instead, as it has native support on most operating systems. space.7z
Right-click the space.7z file, select the 7-Zip menu, and choose "Extract Here" or "Extract to [folder name]" . Best Practices for Compression ( space.7z ) Use "Normal" for a balance of speed and
If you can tell me what is inside the space.7z file (e.g., images, games, documents) or what you are trying to do with it, I can provide more specific instructions. How to recover corrupted 7z archive Best Practices for Compression ( space
You need 7-Zip (Windows) or a compatible archiver like Keka (macOS).
Best for archiving, backing up, or sending large files where file size is more important than compression speed. Troubleshooting
For the best reduction in file size, select the 7z format and LZMA2 compression method.