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Convert Lotus Notes NSF to Thunderbird – Best Way Possible

Published By Siddharth
Aswin Vijayan
Approved By Aswin Vijayan
Published On January 23rd, 2024
Reading Time 5 Minutes Reading

Convert Lotus Notes NSF to Thunderbird

The article illustrates all about the method to convert Lotus Notes NSF to Thunderbird MBOX format. So, stay till the last to know the process of the best conversion method without any data loss.

Nowadays, due to the rise of new-age technology, all desktop-based email clients want to give more advanced features so users can move towards them. So in the line of a desktop-based email client, Lotus Notes is one of the most trusted names. It helps organizations to maintain a smooth workflow. However, most organizations do not configure Lotus Notes exclusively for the purpose of emailing because the configuration process is very complicated. Moreover, it has a very complicated UI. Hence, most of the users avoid Lotus Notes and start searching for other available options.

Here comes Mozilla Thunderbird, an open-source desktop-based email client with lots of features. Along with that, it is free. Evidently, most individual users or organizations use this email client for their low-level employees. So, If you are also hunting for a way to convert Lotus Notes NSF files to Thunderbird, then this is the right place for you. Here we going to discuss two ways to complete this task.

Convert Lotus Notes NSF to Thunderbird – The Smart Solution

If you want an instant solution for the same, then there is only one way and known as an automated solution. The NSF Converter Tool is the most preferred utility by professionals because of the futuristic features. The software can easily convert NSF files into four different file formats such as EML, MSG, PDF, and MBOX safely.

Downlaod the advanced tool from below for free as it also offers a demo version to users. You can purchase the full version if you like it. This helps in building user trust on this reliable software.

Download Now Purchase Now

With the help of this tool, you can also able to convert Lotus Notes NSF to Thunderbird file format, which is MBOX. The tool is also able to convert NSF calendars and contacts in MBOX file format. This advanced utility also holds the potential to preserve folder hierarchy, Internet Header, and HTML Formatting during the conversion process. Along with that, the tool is capable to convert to Docklink too.

We can say that there are several other features available also in this tool for users.  This is how users can easily get the best results at a minimum cost.  What’s surprising is that no other solution is capable of providing such features

Also Read: How to Fix Lotus Notes Failed to Start Error – Best Way 

Step by Step procedure for Converting NSF to Thunderbird MBOX

Step-1. First, download and install the tool.

Step-2. Select the NSF file radio button and then choose Add File(s) or Add Folder option to add NSF files.

Click the Add File button

Step-3. From Export Option choose MBOX option.

Select MBOX

Step-4. Choose the Advance Conversion Option as per your requirements.

Set Advance Settings

Step-5. Select the destination location to save the resultant file.

Select Destination

Step-6. Click on the Export button to convert Lotus Notes NSF to Thunderbird.

Click Export button to convert Lotus Notes NSF to Thunderbird

Step-7. Once the NSF file is converted into MBOX fromat then you can simply import this file directly to your Thunderbird account.

Manual Way to Convert Lotus Notes NSF to Thunderbird

If you are seeking for the manual way to, then you must be using Lotus Notes 9 edition because if you are using the older one then there is no method available. Lotus Notes 9 edition, comes with a new feature, that allows the users to save all their NSF files into EML format. So, to do this follow the below steps:

  • First, Open Lotus Notes on your computer
  • After that, click on the File option in the menu bar
  • Now, from the drop-down menu select the Preferences option
  • Click on Basic Notes Client Configuration from the left pane
  • In the additional options section, tick the checkbox Drag and drop saves as a .eml file and click OK.
  • Once all done drag and drop the emails to save your NSF as an EML file.

Note: A free manual method is a nice approach for those who have fewer emails in Lotus Notes because here in this method you have to drag and drop the emails one-by-one which is worthless in the case of a huge number of NSF files.

Also Read: Learn How to Export NSF to HTML Web Browser Format


Whatever the reasons to convert Lotus Notes NSF to Thunderbird, Here in this blog we have discussed the two most effective ways to complete this task. Now, it is up to users if they choose the right one as per their requirements or the other.

We are sure that using the advanced solutions, users can easily get their desired results. Do not skip any of the above-mentioned steps if you want to avoid any mishappening. Overall, the process is quite simple & users do not need to be technically proficient.