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How to Convert Thunderbird Emails to PDF Files with Flawless Solution

Published By Ashwani Tiwari
Aswin Vijayan
Approved By Aswin Vijayan
Published On April 5th, 2024
Reading Time 7 Minutes Reading

Looking for methods that can successfully convert Thunderbird email to PDF documents? If yes, then this technical article is for you. Either use the built-in functionality to save emails as PDF or use Thunderbird to PDF converter for exporting all emails at once with embedded attachments.

Mozilla Thunderbird is a popular email client. It is the most widely used desktop email application after MS Outlook. It is free and open-source software that uses the MBOX file format to save all its mailbox items.

Sometimes people need to save their emails in hard copies. It is beneficial in several ways such as easy management of data. And the most widely used PDF format is the best document to do so. It even becomes helpful in legal cases and is free from any alterations when accessed in different systems. Thus, methods to export Thunderbird to PDF format are the need of the hour.

Table of Content:

Causes to Convert Thunderbird Email to PDF

The main causes for saving Thunderbird emails into PDFs may vary from person. However, below we are starting a few of the common causes for this conversion.

  • PDF files can be opened and accessed on any device.
  • It is preferable to use it for legal documentation purposes.
  • PDF files are simple to share and occupy less storage space.
  • This is simple to organize the content kept in PDF format.
  • The use of a watermark in PDF keeps the data brand name infringement.

Method 1: Use Thunderbird to PDF Converter to Export Emails With Attachments

Using a professional MBOX Email Extractor Solution gives you a lot of advantages over predefined manual methods. And that is the reason, it has been the preferred choice for users. With Thunderbird to PDF converter, users get the capability to Thunderbird export emails to PDF in batches at once. Moreover, it embeds the attachments to your PDF files, which you will not find in any of the manual methods. You also get multiple custom options to export the PDF files as per your liking.

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Some customizable PDF options are:

  • Set Page Orientation: Choose from ‘Portrait’ or ‘Landscape’ mode to save your PDF files.
  • Set Page Size: Select the size of PDF documents such as A4, A3, letters, envelopes, etc.
  • Choose Page Margins: Set the top, left, bottom, and right margins of the PDF files.
  • Set Naming Conventions: Convert Thunderbird mailbox to PDF with 8 naming conventions.
  • Include MIME Header: Choose to include header information in your PDF documents.

More options include having to select only the required emails that you wish to export Thunderbird to PDF, and the ability to automatically fetch the Thunderbird data without manual intervention.

Steps to Export Thunderbird to PDF on the system:

  • 1: Run Thunderbird Converter and click “Add File
  • 2: Select “Thunderbird” for mailbox auto-detection
  • 3: Choose “PDF” for conversion to Outlook file
  • 4: Click “Export” for Thunderbird to PDF conversion.

If you have MBOX files of Mozilla Thunderbird and want to convert them into PDF files, the software is capable of doing it. It supports both automatic fetching of Thunderbird mailbox as defined above as well as browsing and converting Thunderbird emails to Adobe PDF files.

Working Steps to Convert Thunderbird Files to PDF

  • Run the Thunderbird to PDF Converter and click on the “Add File” button.

export thunderbird to pdf

  • Select the Thunderbird MBOX files or let the tool auto-fetch them for you.

select thunderbird files

  • Preview all the emails along with the attachments.

convert thunderbird email to pdf

  • Set “PDF” as the export type and customize the process with the “Advanced Settings” option.

convert thunderbird to pdf

  • Finally, click on “Export” to start saving all Thunderbird data in PDF format.

export thunderbird to pdf

Method 2: Convert Thunderbird Email as PDF File Using Print Command

The print functionality in Mozilla Thunderbird can save emails in digital PDF form as well as create hard copies of them through the connected printer. To be able to save Thunderbird to PDF files, follow the given steps:

  1. In Thunderbird, select the message(s) you want to export to a PDF file.
  2. Go to File > Print or simply hit the Ctrl+P key.
  3. In this window, mark the “Print to file” checkbox and select the “Microsoft Print to PDF” option.
  4. Select the suitable name and location to export the PDF file. Hit the “Save” button.

print thunderbird emails to pdf

Note: If you selected more than one message to print, you will have to repeat the last two steps for each message. As Thunderbird saves its emails as PDF in one-at-a-time fashion. Thus making this task too lengthy and time-consuming for batch exporting Thunderbird emails to PDF documents.

Method 3: Export Thunderbird to PDF with a Free Add-On

Mozilla Thunderbird has a free add-on “ImportExporttools NG” that can be installed and used to batch print multiple Thunderbird emails to PDF format. The process to do so is given below:

  1. Install the free add-on and restart the Thunderbird application.
  2. Select the email messages that you want to convert to PDF files.
  3. Right-click and choose the “Save selected messages” >> “PDF format” option.
  4. Choose the folder location where you want to save the selected Thunderbird messages and click on the “Select folder” button.

save thunderbird email as pdf

Note: This method allows you to convert multiple Thunderbird messages into PDF format at once. However, it will not save any attachments for you. The only way to have the attachments embedded into your PDF documents is by using the Thunderbird to PDF Converter tool.

Convert Thunderbird Email to PDF File Format using Manual Method on Mac

Just follow the below-mentioned steps to save the thunderbird is 5 simple steps.

  1. Sign in with the needed details to their Thunderbird account.
  2. Choose the email messages that you want to save in PDF document format.
  3. Now, right-click on the chosen email and hit on PDF format.
  4. Allocate a customized saving path to the resultant PDF files.
  5. Lastly, all emails will be saved in separate PDF files at the preferred location.

More Information with Infographic

You can view the infographic below for detailed information on Thunderbird mailbox to PDF conversion:

thunderbird export emails to pdf

Concluding Thoughts

This technical blog is all about converting Thunderbird emails to PDF files. All three possible solutions (with the step-by-step procedure) are included in the article to export multiple Thunderbird emails into PDF documents at once. You can either use the built-in Print command, take advantage of the free add-on, or use the Thunderbird to PDF converter as per your requirements. However, using the recommended software will give you ample features and options to customize the entire procedure at your own will.


Q. Is it possible to delete similar messages from the Thunderbird account?

Ans. Yes, users can delete similar emails from the Thunderbird account using the Thunderbird backup tool. In addition, it provides a remove duplicates feature for deleting similar messages from the Thunderbird account. So, users can simply remove duplicate emails by following the below steps:

  1. Download and install Thunderbird Backup Tool.
  2. Choose a profile or preview emails.
  3. Select the file format>>remove duplicates feature.
  4. Set the destination & hit on delete similar emails.

Q. How can I convert Thunderbird to PDF, excluding attachments?

Ans. Users can save Thunderbird emails as PDFs, including attachments with the Thunderbird backup tool.

  1. Download and run the MBOX converter tool
  2. Choose the profile and select folders to backup.
  3. After that, preview and choose emails and next.
  4. Then. select features to save as PDF without attachments.
  5. Hit on convert to finish.