Ditch clunky user interfaces and recipient form-filling

Zivver vs. Egress

Trusted by over 10,000 organizations globally, Zivver provides a secure, user-friendly platform for messaging, file transfer, and eSignatures. No forms for guest recipients, no clunky workflows for senders - just effortless, secure email.

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Rated 4.5 of out 5 on G2 for Email Security
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Join over 10,000 organizations emailing securely with Zivver
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Seamless user experience

  • Seamless integration with Outlook, Gmail, and other email clients.
  • Unlimited large file transfer directly from the email client.
  • Multi-account support for seamless switching between personal and shared mailboxes.

Hassle-free security

  • Zero-knowledge AES-256-bit encryption ensures only the sender and recipient can access messages. Even we don’t hold your keys.
  • Ability to revoke access to sent messages from your outbox. Easy visibility of who’s opened them.
  • One-click proof of delivery reports with timestamps and authentication information.
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Simplified recipient experience

  • No forced account creation, providing a seamless experience for your recipients.
  • Multiple verification methods including SMS, access codes, and email verification.
  • Since verification is so simple, our secure messages get an average open rate of over 90% and a customer effort score of over 82%.

Intuitive error prevention

  • Smart error prevention technology uses AI to detect and secure sensitive data.
  • Business rules for error prevention and real-time suggestions.
  • Revoke messages directly from Outlook.
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Compatibility made easy

  • Compatible with Document Management Systems (DMS) for streamlined workflows.
  • Supports encryption gateway and DLP gateway for secure email from source systems.
  • Integrates with Microsoft Purview for enhanced data classification.

What our customers say

Over 95% of our 10,000 customer organisations renew their contract with Zivver. It’s clear why switching to Zivver creates such a positive experience…

“Before turning to Zivver, we’d been using an alternative email security solution for five years. For quite a few reasons, we were looking for an alternative and, for me, user experience was a priority. Zivver is an easy-to-use solution, for both employees and recipients; this is one of the reasons we chose Zivver.”

James Ryan, Infrastructure Manager at Soha Housing
Hertsmere Borough Council

“We have approximately three times as many people using Zivver compared to our previous supplier. Zivver is far more cost-effective, meaning we can empower more people to email securely.”

Zahid Zarin, Information & Digital Services Manager at Hertsmere Borough Council


Does Zivver protect my sensitive data in my email client?

Yes, Zivver integrates seamlessly with Gmail, Outlook and Office 365, preventing the leading cause of data leaks whether users are at home, the office, or on the go.

Is an additional product (gateway server) required to integrate Zivver with my email client?

Zivver does not require an additional product gateway to integrate with Gmail and Outlook Web Access.

Do recipients of Zivver messages need to create accounts to access emails and attachments?

No, recipients of Zivver messages can access emails and attachments quickly and easily, without creating Zivver accounts or logging into portals.

What makes Zivver so user-friendly?

Zivver is designed to ‘always be there, but never be in the way.’ It seamlessly integrates into your existing email so you’ll hardly notice it’s there. Plus, users can choose whether to set-up secure email mode as ‘always on’ or can simply switch it on with just one click.

Does Zivver allow multi factor authentication?

Yes. Users can require recipients to authenticate their identities with a time based one-time password sent via SMS.

Does Zivver provide logging and reporting functionality?

Yes. With Zivver, users can view when their messages have been received and opened. Comprehensive audit and communication logs track all user activity to provide you with better insights and control.

Does Zivver work with group accounts?

Yes - and we keep it simple, too. Personal accounts and access to group accounts is directly synced from the Active Directory, enabling users to easily switch between accounts without having to log in and out.