How to Migrate Lotus Notes .nsf file to Thunderbird .mbox file format?

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Are you looking for an effective way to migrate HCL Lotus Notes emails to Mozilla Thunderbird? If yes, then you’ve come to the right place. In this blog, we’ll discuss how to migrate HCL Lotus Notes to Thunderbird with the help of a professional tool.

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Define Lotus Notes and Thunderbird

Lotus Notes is an IBM-developed messaging and collaboration software. It is used by businesses and organizations worldwide to facilitate email, calendars, messaging, and contacts. It also includes features such as security, workflow, and document management.

Thunderbird is an open source, cross-platform email client developed by the Mozilla Foundation. It is used by individuals, businesses, and organizations to manage their email, calendar, and contacts. It has many of the same features as Lotus Notes, including security, search, and message organization.

Reason to move from Lotus Notes to Outlook

There are several reasons to move from Lotus Notes to Outlook, including:

1. Outlook offers a more modern and intuitive user interface.

2. Outlook integrates well with other Microsoft products, such as Office and One Drive.

3. Outlook provides better security and privacy controls.

4. Outlook offers better collaboration and sharing tools.

5. Outlook supports various calendar and task management features.

6. Outlook is more cost-effective than Lotus Notes.

Migrate HCL Lotus Notes to Thunderbird with NSF to MBOX Converter

We recommend using the Softaken NSF to MBOX Converter tool. This software is specifically designed for users who want to migrate HCL Lotus Notes emails to Mozilla Thunderbird.

First and foremost, you need to make sure that you have the latest version of the HCL Lotus Notes application installed on your system. Once you’ve done that, you can proceed with the email migration process.

Features of NSF to MBOX Converter

1) Bulk Conversion: NSF to MBOX Converter allow users to convert multiple NSF files into MBOX format with one go.

2) Maintains Folder Hierarchy: The software ensures that the folder hierarchy of the NSF files remains intact while performing the conversion.

3) Preserve Email Meta Properties: The tool also preserves all the email properties of the NSF files like to, cc, bcc, sent/received date, attachments, etc.

4)Support all version: This utility support all version of Lotus Notes, and Windows up to 11.

5) Preview Option: It provides a preview option to view the entire mailbox items before starting the conversion process.

6) Date Filter Option: The tool allows users to apply the date filter option to get the required emails that are sent or received within a given date range.

Steps to Migrate Lotus Notes to Thunderbird

  • Download and install a 3rd-party software solution.
  • Once the software is installed, you will need to launch it and select the NSF files from the HCL Lotus Notes directory.

  • Check preview of Selected NSF files

  • After that, you can select the desired output option, such as MBOX for the emails.

  • Once the required output format is selected, you can click on the ‘Convert’ button to begin the migration process.
  • Once the process is complete, you can easily import the converted files into the Mozilla Thunderbird application.


Using a 3rd-party software solution like the HCL Lotus Notes to Thunderbird Converter is the most efficient and secure way to migrate your emails from HCL Lotus Notes to Thunderbird. So, if you’re looking for a reliable solution to migrate your emails, then this tool is the perfect choice for you.

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