Exchange - Configure your email account on Thunderbird for macOS

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KB0053417

Exchange - Configure your email account on Thunderbird for macOS


Icons/System/eye-open Created with Sketch. 1419 Ansichten 22.01.2026 Web / Microsoft Hosted Exchange

Objective

Exchange accounts can be configured on various compatible email clients. This allows you to use your email address from your preferred device. Thunderbird is a free and open-source email client.

This guide explains how to configure your Exchange email address on Thunderbird for macOS.

Requirements

  • A Hosted Exchange or Private Exchange email account
  • The Thunderbird software installed on your Windows device
  • The credentials for the email account you want to configure
Information regarding the administration and configuration of OVHcloud services

This guide will show you how to use OVHcloud solutions with external tools, and the changes you need to make in specific contexts. You may need to adapt the instructions according to your situation.

If you experience any difficulties carrying out these operations, we recommend that you contact a specialist service provider or discuss the issue with our community. OVHcloud cannot provide you with technical support in this regard. You can find more information in the Go further section of this guide.

Instructions

Add the account

  • On the first launch of the application: a configuration wizard appears and prompts you to enter your email address.

  • If an account is already configured on the application:

    1. Click on the ☰ menu in the top horizontal bar.
    2. Click on New Account.
    3. Click on Email Address.

thunderbird

Follow the configuration steps by clicking successively on the 5 tabs below:

  • Step 1
  • Step 2
  • Step 3
  • Step 4
  • Step 5

In the window that appears, enter the following two pieces of information:

  • Your full name (display name).
  • The email address to configure.

Click on Continue to complete the settings.

thunderbird

When Thunderbird detects an OVHcloud domain name, an automatic configuration related to the MX Plan offer is proposed. Click on MODIFY THE CONFIGURATION.

thunderbird

Incoming server settings:

  • Protocol: IMAP
  • Hostname: ex.mail.ovh.ca
  • Port: 993
  • Connection security: SSL/TLS
  • Authentication method: Normal password
  • Username: Your full email address

thunderbird

Outgoing server settings:

  • Protocol: SMTP
  • Hostname: ex.mail.ovh.ca
  • Port: 587
  • Connection security: STARTTLS
  • Authentication method: Normal password
  • Username: Your full email address

1. Click on Test to verify the entered settings. 2. Click on Continue to validate these settings.

thunderbird

Enter the password associated with the email account, then click on Continue to finalize the configuration.

thunderbird

POP configuration

If you want a POP configuration for your email address, replace the settings in Step 3 with the following:

Incoming server settings:

  • Protocol: POP3
  • Hostname: ex.mail.ovh.ca
  • Port: 995
  • Connection security: SSL/TLS
  • Authentication method: Normal password
  • Username: Your full email address

Use the email address

Once your email address is configured, you can start using it! You can now send and receive emails.

OVHcloud also offers a web application to access your email account from a browser. To access the OVHcloud Webmail, click on this link. You can log in using your email account credentials.

Retrieve a backup of your email account

If you need to perform an operation that could result in the loss of your email account data, we recommend making a backup of the affected email account beforehand. To do this, refer to the "Export" section in the "Thunderbird" part of our guide "Manually Migrate Your Email Address".

Modify existing settings

If your email account is already configured and you need to access the account settings to modify them:

  1. Click on the ☰ menu in the top horizontal bar.
  2. Click on Account Settings.

Thunderbird

  • To modify settings related to the reception of your emails, click on Server Settings in the left column under your email address.

thunderbird

  • To modify settings related to the sending of your emails, click on Outgoing Server (SMTP) at the bottom of the left column.
  • Click on the relevant email address in the list, then click on Edit.

thunderbird

Go further

For more information on configuring an email address from the Thunderbird email client, consult Mozilla's help center.

Getting started with Hosted Exchange

Getting started with Private Exchange

For specialised services (SEO, development, etc.), contact OVHcloud partners.

If you would like assistance using and configuring your OVHcloud solutions, please refer to our support offers.

Join our community of users.

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