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Migrate SeaMonkey to Thunderbird Client – Effective Ways

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Written By Ashwani Tiwari
Anuraag Singh
Approved By Anuraag Singh
Published On November 20th, 2024
Reading Time 5 Minutes Reading

Summary: If you have made the decision to migrate SeaMonkey to Thunderbird client? No worries! Read this blog till the end to get the solution. So, it can be a challenging task even though both use the MBOX format. But, SeaMonkey lacks a direct option for this transfer, so you’ll first need to export its emails in MBOX format. Here, in this guide we will help you export SeaMonkey mail to Thunderbird seamlessly without the loss of data such as emails, contacts, and other data.

Also Read: Migrate Opera Mail to Thunderbird

Table of Contents Hide

Export SeaMonkey Mail to Thunderbird – Reasons Behind

Go through the points why users migrate SeaMonkey to Thunderbird. Know them in below section:

  • Thunderbird gets regular updates and a security wall to safeguard your data at every moment.
  • It offers advanced features like add-ons extension, calendars, and powerful search options too.
  • Compatible with multiple operating systems like Windows, Mac, and Linux for flexibility.
  • Also, includes encryption, scams and phishing protection for security purposes.
  • Supports themes and extensions for personalized options.

How to Migrate SeaMonkey to Thunderbird – Manual Method

In this section, we will show a manual solution in order to export SeaMonkey Mail to Thunderbird effortlessly. Just continue reading the blog and follow the steps carefully in order to prevent incomplete migration.

#1. Profile-Based Manual SeaMonkey to Thunderbird Migration

This is the manual way to migrate SeaMonkey to Thunderbird which is suitable if you are importing a small number of files. Go through the below steps:

1. Firstly, open SeaMonkey > Server Settings to copy the file path.

2. Paste the path into the Windows Address Bar to access it.

3. Next, open Thunderbird and then go to the add-ons & themes.

go to add-ons & themes in thunderbird
4. Search for the “ImportExport” option and click + Add to Thunderbird button.

click on +add to thunderbird button
5. Click on Add button to confirm, then restart Thunderbird to apply changes.

click on add button
6. Right-click Local Folders, select ImportExport Tools NG > Import MBOX Files > Individual MBOX Files.

select ImportExport Tools NG > Import MBOX Files > Individual MBOX Files.

7. Select the MBOX files from the location which you want to upload in Thunderbird.

That’s it! You’ve successfully imported emails from SeaMonkey mail to Thunderbird.

Limitations of Using Manual Approach

Just see these restrictions which come with following these manual steps. Let’s explore these points:

  • Like locating profile folders and transferring mail or address books can be time-consuming and complex.
  • Large mailboxes or complex folder structures can increase the risk of accidental file loss and incomplete migration.
  • Users need basic knowledge of file systems and email client settings, making it difficult for non-technical users.
  • Advanced features like filters, tags, and rules in SeaMonkey won’t transfer automatically and must be recreated in Thunderbird.
  • Large mailboxes may cause slow performance, freezing, or errors during the manual import process.
  • Errors like corrupted MBOX files or mismatched folder hierarchies are hard to fix without technical expertise.

Migrate SeaMonkey to Thunderbird – Quick Way For Migration

This migration process is easy when you have the right tool. Thunderbird offers better features and compatibility which makes it an on- demand choice. Transferring your emails manually can be a slow and imperfect situation. Go with SysTools Thunderbird Import Software for a fast and error-free solution to minimize the risk and have a smooth email experience.

Quick Steps to Export SeaMonkey Mail to Thunderbird – Automated Tool

Follow these simple steps to migrate SeaMonkey to Thunderbird given below:

Step 1. Firstly, Download & Launch the software into your environment.

Add MBOX file
Step 2. Click on the Add File(s) button and select the MBOX file to add. Also, you need to add the SeaMonkey Mailboxes file or folders with MBOX files to the panel.

select MBOX file
Step 3
. Browse and choose the file, then click on Open button.

click open
Step 4. Once you have added the file, it will appear in the interface. You can add more files or click Next to go ahead.

click on next button

Note: Use the Remove button to remove files one by one. Add the SeaMonkey Mailboxes file or folders with MBOX files to the panel.

Step 5. The tool will show all your Thunderbird profiles on the screen.

From the Identities dropdown list, select the profile to import the MBOX file.

select profile

Note: Ensure Thunderbird is configured with an email account or local profile. If not, a message will prompt you to configure it.

Step 6.  To import the file to, you need to choose the Email Account.

choose email account

Note: You cannot import data into an IMAP account. Select a POP account or Local Folder.

Step 7. To maintain the folder structure of the imported files, check Maintain Folder Hierarchy.

check Maintain Folder Hierarchy
Step 8. Click Import to begin the process.

click import

Step 9. After your import is completed, a success message will appear on the screen. Then, click on OK button.

click on OK
Step 10. Now, you need to Save the Report with the import details present in it.

click on Save report

Step 11. Go to Thunderbird profile, there you will find all your imported files.

thunderbird data

If you can’t find your data, follow these steps:

  • Close Thunderbird. Open the Run window, type thunderbird -p, and press OK.

go to run window

  • Select the same identity as in Step 6 to launch Thunderbird.

thunderbird choose user profile

Conclusion

In this blog, we have given the manual steps to migrate SeaMonkey to Thunderbird easily. Thunderbird comes with advanced features, regular updates, and user-friendly interface that make it a great choice for email management. Whether for personal or business use, switching to Thunderbird client will improve your email experience and have a smooth migration process.

  author

By Ashwani Tiwari

Being a Chief Technical Analyst, I am aware of the technicalities faced by the user while working with multiple technologies. So, through my blogs and articles, I love to help all the users who face various challenges while dealing with technology.