Zimbra Pro - Configuring your email account via ActiveSync in Outlook for Windows
Find out how to configure your Zimbra Pro email address in Outlook for Windows using the ActiveSync protocol
Objective
Zimbra Pro accounts can be configured on Windows using the ActiveSync protocol, allowing you to configure all the collaborative features of your email address at once. The Outlook application for Windows allows you to view your Zimbra Pro email account via the ActiveSync protocol.
Find out how to configure your Zimbra Pro email address in Outlook for Windows using the ActiveSync protocol.
Requirements
- A Zimbra Pro account
- Outlook Classic for Windows installed on your device
- The login details for the email account you would like to configure
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Instructions
Before you begin configuring your account, it is important to note that the Outlook application included free with Windows 11 is incompatible with the ActiveSync protocol, which is required to configure a Zimbra Pro account. You will need to use the classic Outlook version to benefit from ActiveSync protocol support.
To install Outlook Classic on your Windows computer, download it from the Microsoft page "Install or reinstall Outlook Classic on a Windows PC", and install it.
Once the installation is complete, to distinguish between the two versions when they are installed, type "Outlook" in the Windows search bar. You can then see the difference as below.

Add the account
To add a Zimbra Pro account to Classic Outlook, follow the steps below by clicking on the tabs below in sequence:
- Go to the Windows control panel.
- Click
User Accounts. - Click
Mail. - Click
Email accounts....

If you encounter a sending or receiving error after following the configuration steps above, please refer to the "Modify existing settings" section of this guide.
Use the email address
Once you have configured your email address, you can start using it! You can now send and receive messages, and manage your calendars and tasks.
OVHcloud also offers a web application that allows you to access your email address from an internet browser. You can log in to the OVHcloud webmail using your email credentials. If you have any questions on how to use it, please read our guide on Using Zimbra webmail.
How do I modify existing settings?
To modify the settings of an email account that has already been configured, follow the instructions below:
- Go to the Windows Control Panel.
- Click
User Accounts. - Click
Mail. - Click
Email accounts.... - Select the email account concerned from the list and click
Modify....
Find the settings in Step 7 under Add account.
How do I delete an email account?
To delete your email account, follow the instructions below:
- Go to the Windows Control Panel.
- Click
User Accounts. - Click
Mail. - Click
Email accounts.... - Select the email account concerned from the list and click
Delete.
To delete your email account, it is necessary that it is not the default email account.
Go further
For more information about configuring an email address from the Outlook application on Windows, see Microsoft Help Center.
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