Anya Arefeva 7z Better -

RAR requires a proprietary license for distribution. ZIP is technically open but encumbered by patents. 7z and 7-Zip are completely open source under the GNU LGPL. This means anyone—Anya, you, or a developer in Tokyo—can audit the code, improve it, and port it to any operating system.

Email attachments and cloud storage have size limits. Sending a 25MB folder? A 7z archive might hit 19MB where a ZIP stalls at 23MB. Add AES-256 encryption, and your financial records or legal documents are far safer in 7z than in a password-protected ZIP. anya arefeva 7z better

While ZIP supports encryption, its implementation is notoriously weak and often broken. 7z uses AES-256 with authenticated headers. This means no one can tamper with the archive’s structure without detection. If Anya Arefeva cared about security (and all evidence suggests she did), 7z was the only logical choice. RAR requires a proprietary license for distribution