Export SeaMonkey to Thunderbird Account Directly on Mac

admin | how to Mozilla Thunderbird software technology | 3 minutes read | Modified on: 02-03-2022

Are you having SeaMonkey database on your Mac and want to export SeaMonkey to Thunderbird directly? Then no worries, because MacMister article is here to help you out!

There are many users posting same queries on multiple forums asking solution to access SeaMonkey files in Mozilla Thunderbird email client. One of them is discussed in this article as well:

I am having SeaMonkey files on my macOS machine. But now I am moving to thunderbird application. I am not aware of any method which could help me to import SeaMonkey database in the same. Those files are very important for me and I need them instantly in my Thunderbird account. So, if anyone knows any secure solution, please help me out or let me know what exactly I have to do to export SearMonkey to Thunderbird.

Also Read

Import Netscape to Thunderbird

Export Thunderbird to Outlook Mac

However, before discussing any solution, let us first know the main reasons behind the migration of SeaMonkey to Thunderbird.

Reasons to Import SeaMonkey to Mozilla Thunderbird Profile

Many common reasons are included to import SeaMonkey to Thunderbird account. Some are:

  • SeaMonkey is a single email client as other applications. The unexpected crash could lead to data loss.
  • The official requirement can lead to the migration of SeaMonkey to Thunderbird.
  • Both mail settings and browser is managed in a single SeaMonkey profile. Whereas, Thunderbird make use of profile registries.

How to Export SeaMonkey to Thunderbird Account?

We have discussed two main methods to implement the same. First, the manual method is totally free of cost and second is third-party Mac MBOX Converter.

Method 1. Manually Importing SeaMonkey Mailboxes to Thunderbird

Follow the steps and manually export mailboxes from SeaMonkey account to Mozilla Thunderbird:

Step 1. Export SeaMonkey mails in MBOX format.

  • Open SeaMonkey application.
    • Go to Settings and then Server Settings.
    • Copy the path listed.
    • Enter the path in Windows Address Browser path.

Step 2. Transfer Extracted SeaMonkey Emails in Thunderbird

  • Go to Mozilla Thunderbird.
    • Add ImportExport Tools NG.
    • Move to folder and right-click on the same.
    • Press ImportExportTools NG and choose Import MBOX File option.
    • Select desired files from the location where MBOX file is stored.
    • Upload the same in Thunderbird directly.

Method 2. Automatically Transfer SeaMonkey Mails to Thunderbird

MBOX Converter for Mac can be used to batch transfer SeaMonkey mails to Mozilla Thunderbird at one time. The wonderful benefit of using the application is that SeaMonkey email client is not necessary. The application independently performs the procedure. Also, the easy GUI and friendly steps makes the tool effortless for users and organization.


The time-saving utility built up with unbelievable features and options. Users can access and apply those features on their file and get the resultant output accordingly. Quickly experience the complete picture of the software working by using the freeware version of the tool.

Step-by-Step Guide to Transfer SeaMonkey to Thunderbird

Step 1. Run SeaMonkey to Thunderbird Software on Mac.


Step 2. Add SeaMonkey files/folder by using Add Files and Add Folder button and press Next.


Step 3. SeaMonkey email list with checkbox appear on software. Utilize checkbox to transfer selective SeaMonkey files to Thunderbird, if necessary otherwise click Next.


Step 4. Choose Thunderbird by clicking Select Saving Option.


Step 5. Set Thunderbird options as per requirement and click Export.

Step 6. The SeaMonkey to Thunderbird migration process will immediately start and the tool shows its live report on the screen.


Now, you can go to the path where the resultant file is saved. You will see that all the original data will be 100% accurate and complete.

Note. Easily export 25 files from SeaMonkey mailbox to Thunderbird free of cost by using free demo edition of the application. Moreover, you can contact our support team if you need any help or want to suggest something.


The above mentioned provided multiple approaches to export SeaMonkey mails to Mozilla Thunderbird. The users can use both of them and carry out the process as per their need. Also, no matter which method you opt, make sure that you backup all the files before implementing the process further.