Calling all testers!

We proudly announce that we have a new Zimbra Collaboration release for you to start testing.

This update focuses on enhancements to the user experience as well as the web application and server architecture. In addition, there are some new features that we’d like you to test. Here’s a summary of what’s new:

Zimbra Touch Client for Tablet
and Phone Devices

HTML5 Offline Web Access

Support for Outlook for Mac

High Fidelity Document Preview

MariaDB Support

ActiveSync Performance
and Scalability

Send feedback! We want to hear what you have to say, especially if you experience any problems or issues.

We appreciate your help making Zimbra Collaboration 8.5 the best Zimbra release ever.

Thank you!

Beta FAQs

Where can I download the beta version of the software?

Download the latest version of the beta software at Zimbra Downloads/Network Edition/Betas.

Access to these sites does not require special permission. Download from these links at your earliest convenience. Use existing license codes or contact Zimbra Support for new ones. Please let us know if you have any trouble installing these files or the beta binaries.

Check back for updates as beta testing continues.

Where can I find documentation for the beta?

Access the latest beta documentation for Zimbra Collaboration 8.5 below:

How can I provide feedback to Zimbra?

Please do! Post feedback here.

When should I send feedback?

We want it all – good and bad. Your feedback is important to us. Please focus your feedback on this release of Zimbra Collaboration 8.5. In particular, tell us when you have a negative experience, so that we can fix it as quickly as possible. Please don’t limit your feedback to issues; positive feedback lets us know that we’re building enhancements that you like.

Where can I communicate with Zimbra about the beta?

You can ask questions and provide feedback here.

Download Now

Zimbra Collaboration 8.5.0 (Beta):
By clicking the download button above, you agree to the terms of the Privacy Policy and Terms of Service.

If you’re looking for the latest non-beta version of the Zimbra Collaboration software, please visit
Zimbra Downloads.

Open Source Licensing

Zimbra recently announced changes to its licensing for the open source edition of Zimbra Collaboration. These changes will go into effect with the release of Zimbra Collaboration 8.5. View the Zimbra Open Source Edition License and FAQ.

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