Zimbra product editions explained

Zimbra Starter Edition
Zimbra Starter Edition is specifically for small businesses requiring less than 15 mailboxes that wish to deploy Zimbra. You get 15 Professional licensed mailboxes with native synchronization to Outlook and the Apple desktop, back-up / restore and more!.

Zimbra Appliance Standard Edition
Effortless email and collaboration for cloud deployments.
The Zimbra Collaboration Suite Appliance is the Zimbra email and collaboration solution delivered as a VMware virtual appliance.

Zimbra Appliance Professional Edition
The Zimbra Collaboration Suite Appliance is the Zimbra email and collaboration solution delivered as a VMware virtual appliance.
Zimbra Appliance Professional Edition is required if you wish to have native synchronisation with Microsoft Outlook or Apple iSync. Or to use Microsoft Outlook as the desktop email client. Professional Edition includes all the features of Zimbra Appliance Standard Edition.

Zimbra Standard Edition
Zimbra Standard Edition is the option to choose for small to large businesses requiring per mailbox backup, mobile device integration (Zimbra mobile), Zimbra support, enhanced search and more. Standard Edition does not include native synchronisation with Microsoft Outlook or Apple iSync.

Zimbra Professional Edition
Zimbra Professional Edition is required if you wish to have native synchronisation with Microsoft Outlook or Apple iSync. Or to use Microsoft Outlook as the desktop email client. Professional Edition includes all the features of Standard Edition.

Zimbra Archiving
Zimbra Archiving and Discovery is an integrated archiving solution to the archiving and compliance reality for today’s organization (SOX, HIPAA, FRCP, corporate governance). Zimbra Archiving and Discovery can be evaluated free as part of a Zimbra Network Edition trial.

Zimbra Professional Edition Education Staff
This edition of Zimbra is special education staff only pricing for educational organisations.

Zimbra Standard Edition Education Students
This edition of Zimbra is special student only pricing for educational organisations.

Zimbra Archiving Education Staff
Zimbra Archiving and Discovery is an integrated archiving solution to the archiving and compliance reality for today’s organization (SOX, HIPAA, FRCP, corporate governance). Zimbra Archiving and Discovery can be evaluated free as part of a Zimbra Network Edition trial.

Zimbra Archiving Education Students
Zimbra Archiving and Discovery is an integrated archiving solution to the archiving and compliance reality for today’s organization (SOX, HIPAA, FRCP, corporate governance). Zimbra Archiving and Discovery can be evaluated free as part of a Zimbra Network Edition trial.

Zimbra Standard Edition for Non-Profits and Government
Zimbra Standard Edition includes all the features of Zimbra Open Source Edition plus the following:
* Attachment search: Ability to search for contents inside of attachments
* HTML attachment rendering: Ability to quickly view attachments in HTML format
* Online backup/restore: Ability to backup/restore a single mailbox or set of mailboxes such that any mailbox not actively being processed remains online and accessible
* Storage management: Ability to schedule an automated process that moves older messages and data to less expensive disk storage
* Rebranding: Ability to custom brand

Zimbra Professional Edition for Non-Profits and Government
Zimbra Network Professional Edition includes all the features of Zimbra Network Standard Edition plus the following:
* Outlook/MAPI sync: MAPI-based Outlook synchronization with cached mode and offline support
* Apple iSync: Two-way synchronization with Apple iSync enabling compatibility with Apple iCal, Address Book, and other applications in the Apple iSync framework

The Zimbra Collaboration Suite (ZCS) provides state-of-the-art messaging and collaboration solutions (email, address book, calendaring, web documents, etc.)