Zimbra Pro - Configuring your email account via ActiveSync in Outlook for iOS
Objective
This guide is aimed at customers with the email solution Zimbra Pro. This service will be available in beta version from July 2025.
Zimbra Pro accounts can be configured on an iPhone using the ActiveSync protocol. This allows you to configure all the collaborative features of your email address at once. The Microsoft Outlook app on iOS is available for free from the Apple App Store.
Find out how to configure your Zimbra Pro email address on the Outlook for iOS mobile app via the ActiveSync protocol.
OVHcloud provides services for which you are responsible with regard to their configuration and management. It is therefore your responsibility to ensure that they function correctly.
This guide is designed to help you with common tasks. Nevertheless, we recommend contacting a specialist provider or the software publisher if you encounter any difficulties. OVHcloud cannot provide you with technical support in this regard. You can find more information in the "Go further" section of this guide.
Requirements
- A Zimbra Pro account
- Outlook for iOS installed on your device
- The login details for the email account you would like to configure
Instructions
Add the account
- When you start the Outlook application for the first time, a configuration wizard will appear:
- Press
Add Account.

- If an account is already set up on the Outlook application:
- Tap on the circle containing the initials of the email account you are looking at, or on the house icon (
⌂) in the top left-hand corner of your screen. - Press the gear (
⛭) in the lower left of your screen. - Then press
Accountsin the Settings menu. - Press
Add Account. - Press
Email account.

Follow the installation steps by clicking on the 3 tabs below:
Enter your email address and press Add account.

Two scenarios are possible:
- If IMAP is visible at the top of the page: press the
?button in the top right corner of the (1) screen, then chooseChange account provider(2). Then selectExchange(3) and go to step 3.

- If you are directed to the choice of account type, select
Exchange.
In the next window, tick Advanced settings and enter the following information:
- Email address: Enter your full email address.
- Password: Enter the password associated with your email address.
- Description: Enter a name that can be used to identify this account among your other email accounts saved in Outlook.
- Server: Type "zimbra1.mail.ovh.net".
- Domain: Leave this field blank.
- Username: Enter your full email address.
To finalize the configuration, press Login.

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 change the existing settings?
- Tap on the circle containing the initials of the email account you are looking at, or the house icon (
⌂) in the top left-hand corner of your screen. - Press the gear (
⛭) in the lower left of your screen. - Then press
Accountsin the Settings menu. - Select the account.
- Press
Modify login information.

Find the settings in Step 3 of the Add account chapter.
How do I delete an email account?
- Tap on the circle containing the initials of the email account you are looking at, or the house icon (
⌂) in the top left-hand corner of your screen. - Press the gear (
⛭) in the lower left of your screen. - Then press
Accountsin the Settings menu. - Select the account.
- Press
Delete Account.

Go further
For more information about configuring an email address from the Outlook application on iOS, see the Microsoft Help Center.
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