Setting up Microsoft Outlook (Windows) with Zimbra 8.x Connector (ZCO)

The Zimbra Connector for Outlook (ZCO) allows your users to use Microsoft Outlook to synchronize Mailbox, Calendar, Contacts and Tasks .

Make sure your version of Outlook is supported.

See Supported Versions of Windows and Outlook.

Connector Resources: Zimbra Connector for Microsoft Outlook (User Guide)


  • Make sure Outlook is closed before installing ZCO.

  • Make sure your Antivirus software is disabled during the initial sync.

Setting up Microsoft Outlook with ZCO

Download the Zimbra Connector for Outlook (ZCO). (Please ensure Outlook is closed when installing the ZCO (Zimbra Connector for Outlook)

  • 32bit : Download link.
  • 64bit : Download link

    Download the Zimbra 8.7 BETA Connector for Outlook (ZCO). This version is a fix for the Outlook 2016 searching bug. Note this version is in BETA phase but clients are welcome to test it.

  • 32bit : Download link
  • 64bit : Download link

Download the Zimbra Connector for Outlook installation guide, available at: User Instructions Connector for Outlook.pdf

Follow the instructions in the guide, using the following settings when prompted:

  • Server name: your mail server hostname (
  • Use Secure Connection: Check.
  • Email address: your full email address, e.g.
  • Password: As provided

Once configured, Outlook with ZCO will start to sync any emails, contacts and calendar items it finds on the Zimbra server.
If yo a're setting up multiple Outlook clients, consider staggering the client setups so that they don't all sync at once and saturate your Internet connectivity.

Properties ID: 000464   Views: 1634   Updated: 24 days ago