Easy Tricks to Export Lotus Notes to Thunderbird Manually

This article describes easy tricks and tips to export Lotus Notes to Thunderbird and the reasons that lead users to perform the Lotus Notes items into Thunderbird conversion.

In this digital era, desktop-based email clients allow users to access their emails even when they are not connected to any network. Users have to get the feature to maintain a smooth workflow while working. As a result of this, the users have started shifting from one email client to another. Now, take a quick overview of Lotus Notes and Thunderbird.

Lotus Notes: IBM Notes is also known as Lotus Notes, is efficiently designed as a desktop workflow program that facilitates instant messaging, email, calendars, contacts management, blogs, personnel directory, browsing, to-do lists, team rooms, schedule meetings, and forums to organizations.

Mozilla Thunderbird: It is a free, open-source, and cross-platform email storing application that’s easy to set up and customize – and it consists of some significant features! It allows users to save data from EML, MBOX, and other file formats easily.

Read here: Free manual methods for NSF file recovery 

Why Do We Need to Convert Lotus Notes NSF to Thunderbird?

Here, I mentioned the reason behind the migration of Lotus Notes NSF items into Thunderbird.

  • IBM Notes does not allow users to access NSF files with some other email application.
  • Because of high maintenance costs, users want to transfer their data from Lotus Notes to Thunderbird.
  • IBM Notes does not permit users to access mailbox data without an associated user.id file.
  • Going through a complex email program(Lotus Notes) may delay your daily process and hinder the functionality.
  • It enforces some restrictions on the exclusive database, connectivity limits, and also safety restrictions.
  • Opting with Thunderbird users gets highly customizable, security & privacy, and many more benefits.

These are some foremost reasons due to which users are willing to convert NSF to MBOX. Now, after knowing the needs let’s move toward the process to export Lotus Notes to Thunderbird.

Manual Solution to Migrate Lotus Notes Emails Into Thunderbird

In this part, we discuss the manual ways to transfer IBM Notes NSF items into Thunderbird, and for this, firstly, you have to save the Lotus Notes data in EML format and then import the EML file into the Thunderbird. Follow the steps correctly to export Lotus Notes to Thunderbird.

Download Lotus Notes Items Into EML

  • Open IBM Lotus Notes email client on your local machine.
  • In the opening wizard, click on the File tab.
  • Now, from the drop-down list, select the Preference option.
  • In the Preference wizard, select the Basic Notes Client Configuration and click on it.
  • Here, move on to the Additional options section, and enable Drag and drop saves as EML file option.
  • After that, click on the Ok button to proceed with the steps further.
  • Now, open the mailbox folder and select items you want to export in Thunderbird.
  • Then click on the File option and select Save As option from the drop-down.
  • A new Save As window pop-up on your screen allocates the name to the file, and clicks on the Save button.

Import EML File Into Thunderbird

  1. Open Thunderbird on your PC and download ImportExportTools Add-on in Thunderbird.
  2. Implement the steps of installation and restart the Thunderbird.
  3. Now, click on the Local Folder option and select New Folder from the drop-down.
  4. Assign a name to the new folder. Right-Click on the created folder and select ImportExportTools option>> Import all messages from a directory>> also from its subdirectories.
  5. Here, select the folder containing the EML file and tap on the Ok button.
  6. After performing the above steps, you will be able to export Lotus Notes to Thunderbird successfully.

Drawbacks of Manual Solution to Import NSF Items

  • It does not allow users to perform the bulk migration of NSF items into Thunderbird.
  • It will consume time, and also there is the possibility of data loss.
  • Using the manual solution, you will not export contacts, calendars, tasks, and other items into Mozilla Thunderbird.
  • Need too much technical expertise or knowledge for performing the manual steps.

There are some common difficulties users have while using the manual method. So to overcome this, it is better to use the expert-recommended Lotus Notes to Thunderbird Converter for performing Lotus Notes mailbox items to Thunderbird conversion.

Automated Solution to Export Lotus Notes to Thunderbird

SysInfo NSF to MBOX Converter is a reliable and prominent utility to export NSF(emails, contacts, calendars, tasks, journals) into MBOX file format with 100 % data accuracy. The software allows users to perform single and multiple NSF files into MBOX flawlessly. Additionally. Users can also export NSF items into MBOX, PST, EML, Gmail, Thunderbird, Office 365, etc.

Step-By-Step Guide of Software Working

  1. Download and Install the SysInfo NSF to MBOX Converter Tool.
  2. Perform the installation steps and run the software as an administrator.
  3. Now, click on the Select Files/Folder option and add the NSF files.
  4. Check the folders from the tree and preview the mail and their attachments.
  5. Opt with MBOX format from the left side list.
  6. In the Mail Date Filter section, opt with Mail Filter and Naming Convention options.
  7. Go through with Advance Filtration Option and select the features required.
  8. After that, click on the Select Path button and locate the destination path.
  9. Finally, tap on the Convert button to initiate the migration of Lotus Notes data into Thunderbird.
  10. Furthermore, you can also download the conversion report.


Through this article, I hope you will get the complete solution to export Lotus Notes to Thunderbird. However, the expert solution is always recommended due to their built-in features like bulk migration, safety & security, remove duplicate items, exclude document folders, remove encryption, data range conversion, etc.

About The Author:

I'm a content writer in the field of Email Migration, Data Recovery, Email backup, and File Management. I started this writing career two years back. I think the vast range of information in this industry is the reason I am so fascinated to read about the newer techniques and technology.

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