Zimbra Collaboration 8.8 marks the beginning of a whole new era with the introduction of peer-to-peer Zimbra Chat and Zimbra Drive into all versions of Zimbra and a complete overhaul of the major business-ready components of Zimbra Network Edition.


Realtime Backup

6 restore options: No data loss during backup, and new de-duplication technology results in up to 50% saving on storage space for backups.


Mobile Sync

Now users can synchronize Zimbra shared items on their mobile devices, or ActiveSync compatible applications.


New HSM & Volume Management

Reduce your current Zimbra storage by up to 50% for an enormous cost savings.


Improved, easy-to-use Delegated Admin

Create a delegated admin in minutes, and enjoy increased reporting functionality and more CLI commands.



Improves file sync and share with the addition of an ownCloud/nextCloud server.



Peer-to-peer chat, buddy management and presence built-into Zimbra.


Reconfigured IMAP service

Improves email reliability and SLAs by deploying IMAP as a separate service.


Ephemeral Data Store

Increases read-write performance and server reliability by storing data store as ephemeral data in SSDB.

We are looking for Product Feedback on:

  • * UI
  • * Performance
  • * Installation
  • * Upgrade
  • * New features

A Few Rules ...

  • * All bugs will be reported through bugzilla with the 8.8 keyword 8_8_4
  • * No Zimbra Support will be provided for the Zimbra Collaboration 8.8 Beta testing.
  • * Network Edition testers must activate using a valid license which can be your production license. If you have any issues with activating your server, please open a Support Ticket for assistance. (Note: Support will only help activate the license, 8.8 beta testing is not supported by the Support team)

Try Zimbra Collaboration 8.8 Beta

Complete the form to access Zimbra Collaboration 8.8 beta binaries.


Please DO NOT UPGRADE your Production Environments! This Beta release is for Testing Purposes only. Zimbra will NOT provide Technical Support for those who upgrade a live Zimbra Infrastructure.