PKWARE

PKWARE is a provider of enterprise solutions for secure and efficient data transfer and storage, the creator and continuing innovator of the ZIP standard. In 2004, PKWARE announced the SecureZIP product family, which extends the ZIP file format to include the ability to add strong authentication and encryption to ZIP archives, making it possible not only to compress files, but also to prevent unauthorized access and modification.

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PKZIP for Windows
Paid
File compression and encryption utility
Windows
ZIP Reader
Free
PKWARE ZIP Reader: Effortless File Unzipping
Windows
Viivo
Free
Secure information you share & store in the Cloud.
Windows
Viivo
Free
Encrypt your cloud files to any device for Dropbox.
Mac
SecureZIP
Trial version
Secure file compression utility
Windows

PKWARE

PKZIP for Windows

ZIP Reader

Viivo

Viivo

SecureZIP