Can anyone recommend a reliable tool to export emails from Lotus Notes to Thunderbird using MBOX for
Yes, based on my experience, eSoftTools Lotus Notes to MBOX Converter is one of the most reliable tools to export emails from NSF to MBOX, especially if you're targeting Thunderbird. The tool scans and extracts complete data from Lotus Notes NSF files and generates MBOX files compatible with Mozilla Thunderbird, SeaMonkey, Apple Mail, and other MBOX-supported clients. It’s easy to use and doesn’t require any technical expertise.
What makes it stand out is the accuracy—it preserves formatting, folder structure, and attachments during the conversion. Also, it works well with both older and latest versions of Lotus Notes, which makes it ideal for users dealing with legacy archives. If Thunderbird is your destination, this software makes the whole process smooth and error-free.
Read More - Convert Lotus Notes (NSF files) to MBOX

Comments
I would suggest you to use a professional software that can not only convert your NSF data to MBOX format but also keep your data safe and secure. WholeClear NSF to MBOX Converter is an excellent choice for it. this software allows you to migrate data from Lotus Notes to Thunderbird without any problem. It comes with various advanced features that make the conversion process faster and easier for you, such as bulk migration, selective data conversion, no file size limitation, and more. If you are feeling interested, you can check out the free trial version to learn more about the software.