• Stellar NSF to PST Converter

Stellar NSF to PST Converter

Efficiently converts Lotus Notes (.NSF) files to Outlook (.PST) files


A useful NSF to PST conversion utility that helps in migrating from Lotus Notes to MS Outlook by converting NSF File into usable PST file. You can export all the email items of the NSF file, including your emails, attachments, contacts, calendar, journals etc., using the converted PST file.

  • Converts NSF to PST that can be easily imported into MS Outlook
  • Facilitates selective conversion of the Lotus Notes mailbox items
  • Allows you to find NSF files within a specific folder/hard drive
  • Supports 'Lotus Notes' 9.0.1, 9.0, 8.5, 8.0.2, 7.0, 6.5 and 6.0 versions
  • Converts NSF to PST up to 10 items per folder for Free
  • Allows saving the converted file in Office 365, MSG, EML, RTF, PDF & HTML Formats 
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Key Features

Stellar NSF to PST Converter ensures accurate and reliable conversion of NSF to PST file without making any change in original NSF file. Check out few salient features of the software:

NSF to PST Conversion icon

NSF to PST Conversion

Converts the selected Lotus Notes file into a PST file, which can be directly used through MS Outlook. The converted PST file contains the entire Lotus Notes items in user mailbox and the individual items, with their original format.

Selective Conversion of NSF to PST icon

Selective Conversion of NSF to PST

This useful NSF to PST Converter provides option to select and save only the required items from the long list of converted mail items tree. You can expand the tree of converted items and select only those items you require to save. You can save individual mails as either EML or MSG files.

Find NSF File icon

Find NSF File

Stellar NSF Converter lets you to find NSF files for conversion, in case you don’t know the exact location of NSF file. Using ‘Find NSF’ option, you can search any folder, subfolder or an entire volume in your system to locate the NSF file.

Previews Converted Mailbox items icon

Previews Converted Mailbox items

Provides preview of all the converted mail items (Mails, Contacts, To Do list, Calendars, Personal Journal etc.) in a three-pane window and helps in making selective conversion.

Free NSF to PST Converter icon

Free NSF to PST Converter

The tool allows free NSF to PST Conversion for 10 items per folder. Download the Free version of the software and once the conversion process is finished, you can check the preview of converted NSF file. To save free 10 items per folder, you just need to click on ‘Save’ button. It will save converted NSF file into PST format at your destination location.

NSF to Office 365 icon

NSF to Office 365

Stellar NSF to PST Tech Version allows users to convert NSF file to Office 365 format. To save converted mails in Office 365 format, you just need to add your Office 365 login Credentials. The Software also provides option to save the mail items folder in five other different file formats such as MSG, EML, HTML, RTF, PDF files.

Interactive and Friendly User-Interface icon

Interactive and Friendly User-Interface

The software incorporates a simple, interactive, and user friendly interface. With detailed instructions at every step of operation, the software provides an easy-to-use platform to convert the NSF files into equivalent PST files, without any further assistance.

Generates Log Report  icon

Generates Log Report

Stellar NSF to PST conversion software generates the detailed log report of the complete conversion process and facilitates you to save at any desired location. The generated Log Report includes name of the NSF file, its location, its size, start time of the conversion process and status of the converted mail items.

Soho    Tech


Yes, before performing conversion using Stellar NSF to PST converter, you need to install Lotus Notes as well as Microsoft Outlook applications on your system.

With the free demo version of Stellar NSF to PST Converter utility, you can save only the first ten items of every converted file. In order to save all the converted items, you need to purchase the full version of the software.

Once the conversion process gets finished, all the converted mail items are listed in a tree structure. You can expand the tree and click on any item to see the preview on the right hand side pane of the interface.

After completion of the conversion process, the software (Technician version) lists all the mail items in the left pane of the interface in a tree view. Click 'Save' button on the File Menu, a dialog box will open from where you can choose the preferred saving option (Office365/ MSG/ EML/ RTF/ PDF/ HTML). The 'Destination path' window will open and you need to specify the target location, where you want to save the converted file. However, note that only a single mail can be saved as Office365/ MSG/ EML/ RTF/ PDF/ HTML file.

The software can be activated, only after purchasing the software and receiving the 'Serial Key'.

Steps to Activate the Software from the Demo Version:

Run the demo version of the software and click 'Activation' > 'Activate Stellar NSF To PST Converter'

A dialog box opens. Provide the 'User Name', 'Activation Code' and click 'OK'.

If the key is valid, a confirmation message is displayed. Click 'OK' to finish the activation process.

Rating & Reviews


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User Comments

Louise Evans


This converter did exactly what the company has marketed. I gave a shot to 3 other lotus notes converter before but the results those two software gave was not even satisfactory. After that, tried Stellar NSF to PST converter and this tool fulfilled my requirement completely.

Roland Roussel


Stellar NSF to PST tech saved me a lot of time and efforts in migrating from Lotus Notes to Office 365. I must say that this was one of the best paid software that I have ever bought till date. I was able to export all of my email items of NSF file in Office 365 file format, which I had never thought of that it can be done with so much ease. I have formerly taken help of Lotus Notes Recovery by Stellar and it did a fantastic job, that's why decided to try NSF to PST converter of this company only and like the other, it did a good job too.

Luc Dufour


Bought the full version after trying the demo version. Some NSF converters did not work on my new system. This nsf converter worked like a charm. Looking at the uncomplicatedness and usability I found this tool best fit to my requirement. I am fully satisfied with my decision of purchasing this lotus notes file converter.

Lisa Friedmann


Stellar nsf to pst is like a helping hand for not so technically sound users like me. I would recommend this to everyone and would say it is a reliable and trustworthy Software.

Tosh Damgaard


It works and works really well! Tried several manual methods last week but nothing helped; sometime data loss and sometime data duplicacy. Luckily, somehow I reached stellar website and found this one. This is all what I needed. Outstanding!!

Pamela Sloan


We recently planned to migrate our all employee’s mailboxes to Outlook 2016 from an older hosted IBM Notes server. I thought the entire process will take few days because the number of mailboxes and the size of nsf file was very large. Thanks to my boss who found this software and had it. All set in very less time! Good bye Lotus Notes!!

Riccardo Zetticci


This software converted mail objects of my 14 GB NSF file to Outlook PST file and when I imported the PST file in Outlook to check if everything was fine, I found the same data intact with the same formatting as it was present in nsf file

Salomea Zawadzka


I got best results for nsf file conversion in outlook format. I noticed that it consumed very less resources on my system when it was running. I am impressed with the conversions features. After evaluating four similar software, I decided to go with this one

Vito Reynolds


Used technician version and I must say, this software was simply amazing. It successfully converted 47 Lotus Notes user mailboxes to PST and .EML format. Its scanning speed was also fast. Really impressed!

Charles A. Ortiz


Company should provide option to save NSF file contacts into .csv or .xls format. This is the only feature which I think is missing from the software. Rest everything is fine with the software

Tamsyn Brigham


As per my experience, there are no cons in this software. It was a good experience with this Stellar NSF converter as it successfully exported each and every Lotus Notes file object to PST and that too quickly.

Solace Bracy


Stellar NSF to PST converter is the best converter I have ever used. It converted my large sized NSF file to PST file so easily and speedily that I didn't expect at all. You guys at Stellar has done a wonderful job.



Couldn’t ask for a better product! It swiftly migrated nsf file mailboxes data to Office 365 user account in very less time. It is excellent and the very best converter tool.

Janice Douse


I faced hard time in finding ways to export lotus notes objects to outlook data file until I came across Steller's converter. It converted nsf to pst in minutes and kept the original formatting as it is.

Stefan Lehrer


I tested older nsf to pst tool version last year that was good. Last week I tested newer version that was even better. The tool is getting better with each new version.


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