Secure email and safe file transfers on Windows

Zivver Office is a free Windows add-in that strengthens the security of email messages and attached files. It hooks into commonly used mail programs so users can send encrypted communications and share documents without exposing confidential information. The plugin is built to reduce the risk of unauthorized access by encrypting messages and managing delivery securely.

Key capabilities

  • Integrates with leading desktop email clients for a seamless experience
  • Adds message encryption and protected file sharing to outgoing mail
  • Offers delivery controls that limit who can open sensitive content
  • Includes read confirmations and tracking so senders can verify receipt
  • Available at no cost for Windows installations

Advantages for businesses

  • Helpful for organizations that must meet data-protection or regulatory requirements
  • Gives administrators and users more oversight of how sensitive data is shared
  • Improves privacy by preventing accidental or malicious access to messages
  • Simple, user-focused features reduce the learning curve for staff
  • A dependable option for teams prioritizing secure communication workflows

Compatibility, use cases, and deployment

Zivver Office is aimed primarily at Windows users who rely on desktop email applications and need an extra layer of protection for confidential exchanges. It’s especially relevant for companies in regulated sectors or those that routinely transmit personal or financial information. Deployment is straightforward, and the tracking/receipt features help maintain audit trails.

Other tools mentioned

One alternative that was cited previously is CrystalDiskInfo (free). Note that CrystalDiskInfo is primarily a system utility for monitoring hard drive health rather than an email-security product, so evaluate whether it meets your specific needs before considering it as a substitute.

Technical

Title
Zivver Office Plugin
Requirements
  • Windows
Language
No language has been specified.
Available languages
License
  • Free
Latest update
2025-11-15
Author
Zivver B.V.
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