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Zimbra Email & Calendar: What's New and Different

The Zimbra Email and Calendar system was upgraded on Friday,  August 16, 2013. Because the system is web-based, the upgrade is automatic — you do not need to change anything on your computer or mobile device.

The upgrade introduces a number of changes and enhancements. A list of some of the more important changes and useful new features is given below. For a list of bug fixes in this release, see the Email & Calendar Roadmap.


  • Tag colors apply to entire appointment. Applying a tag to a calendar appointment now changes the color of the entire box for that appointment.
  • Tag shared items.  You can now apply tags to shared items, allowing someone to color code a calendar they manage for someone else.
  • Improved calendar printing. The print dialog will now let users easily select which calendars they want to print, which view they'd like and other options including whether to include the mini calendar.
  • Suggest a time. This option will suggest times for a meeting based on availability of the attendees.
  • Adding external calendars. In addition to the traditional option to import iCal calendars (.ics format) to one of your Zimbra calendars, you can now add your external Google or Yahoo CalDAV calendars.
  • Additional UI improvements, including the ability to move appointments in the month view, the ability to drag and drop all-day appointments between days, the ability to re-send an invitation, and the side-by-side display of multiple calendars in the day view.
  • Resources and resource calendars.  Resources (e.g., leave calendars or equipment calendars — everything except room/location calendars) and are now referred to as "Equipment."


  • Improved conversation view. Quoted text is hidden and messages are laid out in a way that is easy to understand the “in-reply-to” relationship between different messages in the same email thread.
  • Activity Streams for filtering messages. You can set up the Activity Stream filter to have email messages that are less important, such as newsletters and messages sent through distribution lists, delivered to the Activity Stream folder instead of your Inbox. This allows you to read the filtered messages at your convenience.
  • Message retention and disposal. You can set custom message retention (deletion of messages in that range requires confirmation) or message disposal (automatically delete messages outside of a date range) polices on a per mailbox basis.
  • Sharing folders with external guests.  Sharing your email folders with external guests in no longer disabled. You can grant external guests view-only rights.
  • Option to search for messages when using the Recover Deleted Items feature.
  • Print button is no longer visible. Print, as well as other message functions, can be accessed by clicking the Actions menu on the toolbar.


  • Redesigned user interface. Most of the tabs and toolbar options are the same as the previous version but they may be located in slightly different areas.
  • Search changes. A dedicated search tab is created whenever you enter a new query in the Search box. This lets you perform a search and then navigate away from it to perform another action and then return. You can go to the Advanced Search page directly by clicking the magnifying glass icon in the Search box.  Click  the X on the search tab to clear your search.
  • People Search.  The dedicated People search field is no longer available.
  • Sharing items with external guests.  Whenever you share Mail folders,  Address Books, Calendars, or Task Lists with external guests, they are sent a link to a sign-in page. They are required to  create a display name and password and can then access the shared item in the same rich user interface internal users access.
  • Shared tagging. You can now apply tags to shared items. You can also share these tags across applications and mailboxes.
  • Shared contact syncing.  Shared contact folders will now sync to mobile devices that make ActiveSync connections (e.g., iPhone, iPad).
Last modified October 1, 2014