: Use LZMA2 , which is faster and more efficient for modern multi-core processors.
: Set to Solid to compress all files as a single stream, which significantly improves the ratio for many similar small files. Command-Line for Power Users CGV.7z
7z a -t7z -mx=9 -m0=lzma2 -md=64m -ms=on output_filename.7z input_folder_or_file Use code with caution. Copied to clipboard -mx=9 : Sets the compression level to "Ultra." -md=64m : Sets a 64MB dictionary size. : Use LZMA2 , which is faster and
If you prefer using the command line ( 7z.exe ), you can "generate" an ultra-compressed archive with specific parameters to ensure the best result: : Use LZMA2