Secure and Open Unified Collaboration Platform

Built on the open source unified collaboration platform for

Delivering more value

1000+ government & financial institutions

200K+ businesses worldwide use Zimbra in the cloud

"Our activities in the social space are rooted in building relationships. Social destinations were created for this reason - connecting people and providing outlets to share. By maintaining our commitment to building these more personal relationships, we are able to provide our brand fans with an authentic social experience that is focused on connections, discussions and shared experiences." Mike DePaolo , Team Titleist Manager , Titleist

"Zimbra has enabled us to consolidate our hybrid email system into a single email solution. The performance of Zimbra is very good - emails are delivered faster; it supports a wide range of devices, platforms and email types." Pertisth Mankotia , HEAD of IT , Sheela Foam

"In two years, after buying the Zimbra license and paying for Zimbra support, we were paying less than we were with our legacy vendor. We had successfully achieved 100% ROI." Anand Rao , IT Manager , City of Garden Grove

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Product Announcement

Zimbra Collaboration 8.5

The latest release enables organizations to deliver secure collaboration in today's mobile workforce

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New Programs

Learn about our new Support program

Zimbra's expanded support program meets the needs of a global customer and partner base.

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On-Demand Webinar

Know the three critical security questions to ask to reduce your IT risk

This 30-minute on-demand webinar addresses the three critical questions that both service providers and IT organizations should ask when implementing or upgrading an email system. Additionally, learn how Zimbra partner, MailGuard, extends Zimbra’s security functionality to provide even more value.

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Zimbra Blog

September 30, 2014The Shellshock FlawBy Matthew Lewis
September 29, 2014How Mobile Can Empower Your BusinessBy Matthew Lewis
September 23, 2014Zimbra Customers Named Finalists for Next Generation Customer Experience AwardBy Matthew Lewis
September 23, 2014Zimbra Customers Named as Finalists in the 2014 Constellation SuperNova AwardsBy Matthew Lewis
September 19, 2014The Future of Enterprise File Sync and Share is IntegrationBy Matthew Lewis

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Top Events

Event All Things Open October 22 - 23, 2014
Zimbra is sponsoring All Things Open on October 22-23 in Raleigh, NC. All Things Open features the world’s top developers, technologists and decision makers as the topics of open source, open technology, and the open web are thoroughly explored. Visit Zimbra at booth #2 to find out why more than 5,000 companies, service providers and government agencies across the world trust Zimbra for collaboration in a secure, private cloud. Also, join us on Wednesday, October 22 at 2:15 pm as Olivier Thierry, CMO at Zimbra, delivers a 45-minute session on Government Using Private Email.
Event Insight 2014 October 27 - 30, 2014
Zimbra is sponsoring NetApp’s Premier Technical Conference, Insight 2014, in Las Vegas, October 27-30. The conference agenda is packed with technical training, hands-on labs, networking opportunities, and over 250 breakout sessions covering a wide range of solutions areas. Make sure to come by the Zimbra booth to meet the team and learn about our secure collaboration product offerings.
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More than 500 million people trust Zimbra to share what matters most.

Billions of meetings

Billions of messages

Billions of memories