License. 7-Zip is free software with open source. The most of the code is under the GNU LGPL license. WinZip Opens & Extracts 7Z Compressed Archive Files
Because the code is open-source (GNU LGPL), it is continuously audited and improved by a global community, ensuring there are no hidden backdoors. 3. Versatility and Power User Features GHPM 7z
Unlike some ZIP variants, 7z allows you to encrypt the file names themselves. This means an attacker cannot even see what files are inside the archive without the password. License