Provides high-level security by encrypting both the data and the filenames , preventing unauthorized users from seeing what is inside the archive without a password.
Combines multiple files into a single "solid" block, allowing the algorithm to find redundancies across different files for even smaller archive sizes. BWMi8.7z
7-Zip is free software with open source. The most of the code is under the GNU LGPL license. Does 7z compress better than zip? - Microsoft Community Hub Provides high-level security by encrypting both the data