How to Transfer Emails from Thunderbird to OE Classic Mail?

Admin ~ March 5, 2025 ~ 6 Minutes Reading

There are lots of Mozilla Thunderbird users who want to import Thunderbird emails to OE Classic Mail as they are not satisfied with Thunderbird services and look for the more desirable email services such as OE Classic Mail. If you are also looking for the same then this blog is for you. Here, we have shared the top manual and using Thunderbird Converter to easily Transfer Emails from Thunderbird to OE Classic Mail.

Thunderbird is an open-source desktop email client and it was launched in 2004. As Mozilla stopped its development in 2004. Thunderbird has several past issues such as not receiving new emails, trouble with sending emails, which have led to a loss of user trust.

While OE Classic Mail is an alternative to Thunderbird as it offers a simple initiative interface with regular security updates. Many users prefer OE Classic Mail for its simplicity and compatibility with various email clients. However, Thunderbird and OE Classic Mail use different extensions and it makes the migration a little complex but after using recommended software you can perform it quickly without passing any complicated steps.

Why Transfer Emails from Thunderbird to OE Classic Mail?

  • Mozilla officially stopped Thunderbird development in 2012 leading to fewer updates and improvements.
  • Users often face issues like Thunderbird not receiving or sending emails properly, slow performance and frequent crashes.
  • OE Classic Mail offers a more initiative and simple initiative interface as compared to Thunderbird.
  • OE Classic Mail receives frequent updates, ensures better security and stability.
  • Unlike Thunderbird, OE Classic Mail experiences fewer bugs and errors, providing a smoother experience.

How to Import Thunderbird Emails to OE Classic Mail using Thunderbird to OE Classic Migration Tool?

To overcome the complex procedure we recommend you to opt Thunderbird to OE Classic Migration Tool as its the ultimate solution for effortlessly transferring your emails without hassle. Designed for speed and efficiency, this powerful tool can auto-detect Thunderbird profile or also offers to select custom Thunderbird to export into OE Classic Mail which preserves your email structure, metadata, attachment and formatting.

Steps to Transfer Emails from Thunderbird to OE Classic Mail

  1. Download and run “Thunderbird to OE Classic Migration Tool” on your system.Thunderbird to OE Classic Migration Tool
  2. Click on “configure Thunderbird profile” or let me select Thunderbird profile as required.Convert configured Thunderbird mailboxes data
  3. Preview to select “Thunderbird mailbox folders” as you want to import.Choose Thunderbird folder to convert
  4. Choose “IMAP” in the multiple options of select saving options.Choose IMAP option
  5. Enter “OE Classic Mail email address and password” to authorize email account.Enter OE Classic login credentials
  6. Choose “Advanced filters” and select change language to choose preferred language.Select advanced filter as needed
  7. Press Next to start “importing Thunderbird emails to OE Classic Mail”.start Transfer Emails from Thunderbird to OE Classic

Pinnacle features of Thunderbird to OE Classic Migration Tool

  • It allows you to convert Thunderbird emails to PDF, PST, MBOX, EML, TXT, and 28+ select saving options.
  • This software also offers a simple initiative interface to easily perform by any level of users without hiring any technical guide.
  • You can convert any individual or multiple Thunderbird profiles at a single process.
  • With this wizard, you can also extract attachments from Thunderbird, Extract email address, extract phone numbers and many more.
  • It also offers filter options to convert selective mailbox data as per date range, subject, sender, recipients, sender blank address, receiver blank address and many more.
  • You can also easily migrate Thunderbird emails to Outlook, Zimbra, Mac Mail, Gmail, Yahoo and all IMAP Supported email services.

How to Transfer Emails from Thunderbird to OE Classic Mail Manually?

To import Thunderbird emails to OE Classic Mail manually then you need to export emails in EML format then drag and drop into OE Classic Mail. It is only reliable for small numbers of emails and has lots of drawbacks that we have discussed after the procedure. Due to this we don’t recommend it. If you are satisfied with its challenges then you can follow the procedure as given below:

  1. Open “Thunderbird” on your system.
  2. Select the “Emails” as you want to transfer and right-click on it.
  3. Press on “Save As” option and select file type as EML file.
  4. Launch “OE Classic Mail” and navigate to the folder where you want to import EML files.
  5. “Drag and drop saved EML files” into the desired folder in OE Classic Mail.

Hurdles of Manual Method

  • You need to repeat the whole process to transfer each email.
  • This manual method is not reliable for bulk processes.
  • Users must be friendly with the both Thunderbird and OE Classic Mail platform to handle this approach.
  • Some emails may not retain their original attachments.
  • Transfer emails may not preserve email structure or metadata.

Common Queries about Transfer Thunderbird Emails to OE Classic Mail

What is the alternative to OE Classic?

Server alternatives to OE Classic Mail include Mozilla Thunderbird, Windows Mail, eM Client and Mailbird and Microsoft Outlook. These email clients offer better integration, security updates and additional features like calendar sync, IMAP/POP support, and modern UI for improved usability.


Is Thunderbird email discontinued?

No, Mozilla Thunderbird is not discontinued. Mozilla stopped its direct development in 2014, but the project continues running under community drive effort. Regular updates, security patches, and new features are still being pleased, making Thunderbird a viable and maintained email client.


How do I change my email view in Thunderbird?

To change your email view in Thunderbird, go to View then select Layout and choose your preferred option: Classic, Vertical, or Wide View. You can also enable the Message Pane from the view menu and adjust the font size and display settings under Tools> Settings> General for customization.

Observational Verdict

If you have reached here then we hope you got the solution to Transfer Thunderbird Emails to OE Classic Mail manually and using Thunderbird to OE Classic Migration Tool. While the manual method is free, it can be time-consuming and may not preserve folder structure. Using the Thunderbird to OE Classic Migration Tool can easily perform the process with accuracy and efficiency. For a successful migration, backup your data and choose the right method, i.e., Thunderbird to OE Classic Mail Migration Software, follow the given instructions, and verify emails has been transferred successfully in OE Classic Mail.