Space.7z

For the best reduction in file size, select the 7z format and LZMA2 compression method.

If the recipient cannot open .7z , use .zip instead, as it has native support on most operating systems. space.7z

Use "Normal" for a balance of speed and size, or "Ultra" for maximum compression (which takes longer). For the best reduction in file size, select

If the file won't open, it may be partially downloaded or corrupted. Try re-downloading or re-compressing the archive. use .zip instead

Best for archiving, backing up, or sending large files where file size is more important than compression speed. Troubleshooting