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There is no single method to configure Zimbra Mail in Outlook that works for every account. Its configuration primarily depends on the Zimbra editions (Professional & Standard) you have, Outlook version, operating system, and enabled features by the admins. You can connect Zimbra in Outlook using:

  • IMAP Configurations
  • POP3 Configurations
  • Exchange ActiveSync (EAS)
  • Exchange Web Services (EWS)
  • Zimbra Connector for Outlook (ZCO)

This guide explains the applicability of each method along with related settings for Zimbra Mail configuration in Outlook for Windows, Mac, Android, and iOS.

Which Method Should You Use For Zimbra Mail Outlook Configuration? – An Overview

Check out the table below to get a quick overview of each method & select the applicable one for yourself.

Method Best for List of Synchronized Mailbox Items Platform Requirement

Zimbra Connector for Outlook (ZCO)

Complete Outlook-Zimbra integration.

Email, Folders, Contacts, Calendars, Tasks, Tags, & other supported data.

Compatible with Classic Outlook for Windows.

Zimbra Professional

Exchange Web Services (EWS)

Full synchronization on supported Mac environments.

Email, Calendars, Contacts, & Other supported data.

Outlook for Mac

EWS license & support on Zimbra server.

Exchange ActiveSync (EAS)

Need to access emails and collaboration data without standard IMAP.

Emails, Calendars, Contacts, and other supported data.

Android, iOS, and certain Classic Outlook versions.

Zimbra Professional & Enabled ActiveSync settings.

IMAP Configuration

Need to access emails only.

Emails and Mailbox folders.

Outlook for Windows (New or Classic), macOS (Legacy & New), Android, and iOS.

Enable IMAP access.

POP3 Configuration

You want to download emails locally.

Primarily for incoming emails.

Outlook for Windows (New or Classic), macOS (Legacy & New), and Android.

Enable POP access.

Check These First, Before You Configure Zimbra Mail

Keep the following details ready before you start configuring Zimbra Mail in Outlook.

  • Enable IMAP or POP access.
  • Admin permission to install ZCO.
  • Encryption method, if applicable.
  • Zimbra Mail credentials (Emails & Password).
  • Required incoming and outgoing server hostname.
  • Identify which one to use: ZCO, ActiveSync, or EWS.
  • Figure out your current Outlook version (New or Classic Outlook).
  • Make sure to connect to Zimbra Server before you configure your Zimbra Account.

Different Ways to Configure Zimbra Mail In Outlook

Go through the following section to get the detailed steps to configure Zimbra Mail using different methods based on the Outlook version and subscription editions you have.

Method 1. Zimbra Mail Outlook Configuration Using ZCO

Here are the detailed steps to configure Zimbra Mail using ZCO in the Classic Outlook version.

Step 1. Download the Zimbra Connector for Outlook (ZCO)

  • Official Zimbra ZCO add-on with the appropriate Windows installer.
  • Your organization’s Zimbra Server: https:///downloads/index.html or ask your IT admin for the installer.

Step 2: Install the Connector

  1. Close Outlook if it is running.
  2. Double-click the downloaded ZCO installer (.msi file).
  3. Click Next and Accept the license agreement.
  4. Follow the on-screen instructions to complete the installation.
  5. Click Close when the installation finishes.

Step 3: Create or Select a Zimbra Profile

  1. Open Outlook.
  2. Select the Zimbra profile if the installer created one automatically.
  3. If you need to create a new profile, open Control Panel > Mail > Show Profiles > Add.
  4. Enter a profile name, select manual configuration, and choose Zimbra Collaboration Server.

Step 4: Enter Your Zimbra Account Details

In the Zimbra Server Configuration Settings window:

  1. Enter your Zimbra server name.
  2. Keep Use Secure selected unless your administrator instructs otherwise.
  3. Enter your Zimbra email address and password.
  4. Review any additional settings if required.
  5. Click OK to start Outlook.

Step 5: Wait for Initial Synchronization

  1. Outlook will connect to the Zimbra server and download your mailbox data to a local Zimbra database (ZDB).
  2. Keep your computer connected to a reliable network.
  3. Wait for the initial synchronization to finish.
  4. Check progress from the Zimbra Ribbon > Show Zimbra Progress.
Important: Your administrator may need to provide the installer, server details, or authentication instructions. The exact steps can vary depending on your organization’s Zimbra configuration.

Method 2. Use Exchange ActiveSync to Configure Zimbra Mail In Outlook

Follow the given steps for Zimbra Mail Outlook configuration in the supported versions.

Step 1. Close the Outlook application first.

Step 2. Go to Control Panel and select Mail (Microsoft Outlook).Go to Control Panel and select Microsoft Outlook

Step 3. Click on Email Accounts under the Mail Setup wizard.Click on email accounts

Step 4. Navigate to Email tab and select the New option.Go to email and select new

Step 5. Choose the Manual setup or additional server types and click Next.Choose Manual setup or additional server types and click Next

Step 6. Select Exchange ActiveSync and tap Next.Select exchange active sync and click next

Step 7. Enter your Server Settings and click Next.Enter server settings and click next

Step 8. Outlook will test the connection.

Step 9. Click the Finish option once it is connected.

Method 3. Configure Zimbra Mail In Outlook for Mac Using Exchange Web Services

Below, we have mentioned the detailed steps for Zimbra Mail Outlook configuration on a Mac system.

Step 1. Locate the Tools section and go to Accounts.Locate tool and Go to accounts

Step 2. Click on the Exchange or Office 365 option.Click on exchange or office 365 option

Step 3. Enter your Exchange account information to Add Account.Enter your exchange account details

Step 4. Wait for the synchronization to complete.

Step 5. Your Zimbra Mail is added to Outlook for Mac.Zimbra mail is is added fto Outlook for Mac

Method 4. Zimbra Mail Outlook Configuration With IMAP Or POP3

Here are the detailed steps to configure Zimbra Mail (with Outlook settings) using IMAP or POP3 protocols.

Zimbra Outlook Settings IMAP POP3

Incoming Server

mail.yourdomain.com

mail.yourdomain.com

Incoming Port

993

995

Encryption

SSL/TLS

SSL/TLS

Outgoing SMTP Port

587 (STARTTLS) or 465 (SSL/TLS)

587 (STARTTLS) or 465 (SSL/TLS)

SMTP Authentication

Same username and password as incoming required

Same username and password as incoming required

Step 1. Open Outlook and go to File > Account info.Go to file then account info

Step 2. Navigate to Accounts > Your accounts > Add account.Go to account and add account

Step 3. Enter your email address and click Continue.Enter email address and continue

Step 4. Type your Passwordand Select provider.Type password and select provider

Step 5. Choose IMAP as your email provider.Select IMAP

Step 6. Then, switch on the Show more toggle to enter the required IMAP server details and tap Continue.Switch on toggle then enter server details and continue

Step 7. Sync your IMAP account and tap Continue.Sync your IMAP account

Step 8. Click the Done option after the synchronization is completed.Click on done

Note: The same steps will be applied for Zimbra Mail Outlook configuration using the POP3 settings. But you have to change the required server details as per the POP3 Outlook settings.

Bonus Tip: You can remove the added email account in New Outlook using these steps:

Step 1. Go to Accounts > Your accounts > Manage.Go to accounts then manage

Step 2. Scroll down and click the Remove option.click on remove

Step 3. Confirm your choice to Remove Account and proceed to OK.Confirm remove your account option and click ok

Step 4. It will remove the added account from New Outlook.

Ending Notes

The blog has discussed different ways to configure Zimbra Mail in Outlook. You can use them to set up your account using Zimbra Connector for Outlook (ZCO), Exchange ActiveSync (EAS), Exchange Web Services (EWS), IMAP, and POP3 settings.

If you want to configure your Zimbra Mail account using POP3 for email backups, that may not be the most reliable option. So, try the Kernel Zimbra Mailbox Backup tool to back up your mailboxes from Zimbra account. The software allows you to back up your complete mailbox data, including emails, contacts, calendar, etc into PST and other formats.

FAQs: Resolve Your Zimbra Mail Configuration Doubts

Q. Is Zimbra Mail an IMAP or POP account?

A. Zimbra supports both IMAP and POP3. So you can connect to your account either way in Outlook. But first, you must enable the protocol before configuration.

Q. Which method is best to configure Zimbra Mail in Outlook?

A. It depends on your Zimbra edition, Outlook version, and your system. You can use ZCO for classic Outlook on Windows, EWS for Outlook on Mac, ActiveSync for mobile, and IMAP when you only need email. Remember, ZCO needs Zimbra Professional.

Q. Why can’t I connect my Zimbra account in Outlook?

A. First of all, check that you are connected to the Zimbra server. Other causes, like the wrong server name, port, or configuration type, may be responsible. Also, two-factor authentication may require an app passcode to log in.

Q. Can I configure Zimbra Mail in the New Outlook?

A. Yes, you can use IMAP or POP3 configuration to set up your Zimbra Mail in New Outlook. ZCO is exclusive to Classic Outlook for Windows.

Q. Do I need admin permission to install ZCO?

A. Yes, installing ZCO needs administrator permission because you need the installer and server details for it.

Q. Is POP reliable for backing up Zimbra emails?

A. No, POP3 mainly downloads emails and doesn’t sync your mailbox folders. So, depending on it is not an ideal solution. For mailbox backup, you can check out dedicated solutions like Kernel.

Kernel Zimbra Mailboxe Backup
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