Do you want to access Proton Mail account in Mozilla Thunderbird? If yes, then get your answer through this article. In this quick and easy guide, we will show you how to add Proton Mail to Thunderbird email client step-by-step. So, let’s check it out.

Proton Mail and Mozilla Thunderbird – Overview

Proton Mail is a privacy-focused email service based in Switzerland. It offers end-to-end encryption and helps users protect their email data from unauthorized access. It is trusted by millions of people because of its strong security and commitment to digital privacy.

In addition to Proton Mail, there’s also Mozilla Thunderbird. It’s a free, open-source desktop email client by the Mozilla Foundation – the same company behind Firefox. It supports multiple account management, powerful filters, calendar integration, and a highly customizable interface. It’s a favorite among professionals who want more control over their email management.

Also Read: – How to Import/Add Proton Mail to Outlook?

Why Add Proton Mail into Thunderbird Email Client?


There are many reasons to add Proton Mail in Thunderbird, some of the main ones are: –

  • Offline Access to Emails: – Thunderbird lets you download and read your Proton Mail messages even when you don’t have internet access. This is ideal for working smoothly in the absence of internet.
  • Centralized Email Management: – If you have multiple email accounts (e.g., Gmail, Outlook.com, and Proton Mail) you can add them all to Thunderbird and manage them directly from the unified inbox.
  • Email Backup & Archiving: – You can also backup your Proton Mail emails and save them to your local drive. Export them using Thunderbird for long-term storage and easy access offline.

How to Set Up Proton Mail in Thunderbird (Step-by-Step Guide)


Adding Proton Mail to Thunderbird may seem tricky at first, but with Proton Mail Bridge, the process is simple. Just follow these two main steps:

Step 1: Set up Proton Mail Bridge

  • Visit the Proton Mail Bridge download page and get the setup file.
  • Install the app in your computer (Windows, macOS, or Linux O/S).
  • Launch the Proton Mail Bridge app and log in with your original Proton Mail credentials. (Available for Proton Mail paid users only).
  • After logging in, Bridge will display the IMAP and SMTP settings (server address, port, username). You will need to enter this information in Thunderbird for the login process.

Step 2: Configure Proton Mail in Thunderbird

  • Open Mozilla Thunderbird email client in your computer.
  • Go to Menu/Settings > Account Settings > Account Actions > Add Mail Account.
  • Enter Account Details
    • Name: Your display name
    • Email: Your Proton Mail email
    • Password: Leave blank or enter a dummy value
    • Click Continue, then choose Manual Config
  • Use the following standard Bridge settings (or copy directly from the Bridge app):
    • IMAP (Incoming):
      • Server: 127.0.0.1
      • Port: 1143
      • SSL: STARTTLS
      • Auth: Normal password
      • Username: Provided by Bridge
    • SMTP (Outgoing):
      • Server: 127.0.0.1
      • Port: 1025
      • SSL: STARTTLS
  • Click Done to complete the setup. Your Proton Mail account is now active in Thunderbird!

Import Emails from Proton Mail to Thunderbird Email Profile


If you are using Thunderbird with multiple email accounts like Gmail, Yandex or others and want to import your Proton Mail emails into one of those profiles, this can also be done. The solution is eSoftTools IMAP Backup and Migration software.

With this easy-to-use tool, you can safely transfer Proton Mail emails from selected folders directly to a Thunderbird email profile. This eliminates the need for complicated manual configuration or login of email accounts.

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This is especially helpful if:

  • For switching from Proton Mail to another provider
  • To back up Proton Mail to another account
  • For making all emails accessible under one profile in Thunderbird

How to Import Proton Mail Emails to Thunderbird via IMAP Backup Software?


Follow the below steps to safely transfer emails from Proton Mail to your Thunderbird profile using eSoftTools IMAP Backup & Migration tool.

Note: – Make sure that Proton Mail Bridge is available and running in your PC. (As it will require you to have the required login credentials).

  • Download eSoftTools IMAP Backup software from eSoftTools website and perform its installation on your Windows PC.
  • Launch the software after installation and select “IMAP Server” from the list of mail services.
  • Open the Proton Mail Bridge app on your computer and get/copy the following details:
    • Email (username)
    • Password
    • IMAP Host: 127.0.0.1
    • Port: 1143
  • Enter these credentials in the IMAP login section and click the “Login” button.
  • Connect the tool to your Proton Mail account and the software will load and display all email folders.
  • Select the specific folders you want to migrate or backup (e.g., Inbox, Sent, etc.).
  • Choose the “Save to Thunderbird” option from the list of export destinations.
  • Use the mail filter feature to export emails within the selected date range (optional).
  • Finally, click the “Save Backup” button to begin importing emails into your Thunderbird’s existing email profile.

Conclusion

Accessing your Proton Mail account through Thunderbird is a great way to manage all your emails in one place. This is possible with the Proton Mail Bridge and the method shown above.

You can manually setup Proton Mail in Thunderbird and also, if you want to import Proton Mail emails into an existing Thunderbird profile then you can do that as well. Make the job quick and hassle-free with eSoftTools IMAP Backup and Migration software.

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