Is It Possible to Export Thunderbird Emails to NSF?

Madison01
Madison01
46 Points
23 Posts

I am currently using Mozilla Thunderbird to manage my emails, but my organization has recently migrated to IBM Lotus Notes, which uses the NSF file format. I have a large number of important emails stored in Thunderbird that I need to transfer to Lotus Notes without losing any data. I tried looking for a manual way to export Thunderbird emails directly to NSF, but Thunderbird only supports formats like MBOX or EML. Because of this limitation, I’m unsure how to complete the migration safely, especially while maintaining folder hierarchy and email metadata. Is it possible to export Thunderbird emails to NSF format? If yes, what is the most reliable solution to perform this conversion?

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Posted On: 04-Jan-2026 22:53

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Answers
Jackson shek
Jackson...
100 Points
0 Posts
         

Yes, it is possible to export Thunderbird emails to NSF for Lotus Notes with the help of professional software. And the Softaken Thunderbird Converter Suite is the best software for this task it's convert single or multiple Thunderbird mbox to all version of Lotus Notes NSF format. It support all versions of Windows OS such as- 11, 10, 8, 8.1, 7, Xp, Vista, etc. Free demo also offers to all users to know more about it's working process. 

Posted On: 05-Jan-2026 02:41
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