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

Often achieves 30-70% better compression than ZIP and 2-10% better than many other formats. BWMi8.7z

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. 7-Zip is free software with open source