NSF to PST Converter to simplify IBM Lotus Notes to Outlook Migration

Stellar Converter for NSF converts Lotus Notes mailbox items to Outlook PST format. Exports all mailbox items — emails, attachments, contacts, calendar, and journals. Supports Microsoft Office 2019, 2016, 2013, 2010, 2007, and 2003.

*Free download allows to preview the converted file and save 10 items per folder.

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Key Features

NSF to PST Conversion with Direct Outlook Export

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.

Choose to Do -Full or Part Conversion of NSF to PST

The NSF to PST Converter also allows to select and save specific items from the long list of converted mail items tree. Just expand the tree of converted items and select only those items that need to be saved. It also allows to save individual mails in EML or MSG files.

Search for Specific NSF Files

The NSF to PST Converter also allows to search and find NSF files on a PC, in case the exact location of the file is not known. The ‘Find’ function allows to search any folder, subfolder or an entire volume in the computer system, to locate the NSF file.

Previews the Converted Mailbox items

The software displays preview of all the converted mailbox items —Mails, Contacts, To Do list, Calendars, Personal Journal etc.— in a three-pane window to help verify the data integrity. The users can then choose to convert all or selected items through the three-pane preview.

NSF to PST Converter with Free Trial

The software does free NSF to PST Conversion for up to 10 items per folder. Download the Free version of the software and – after the conversion is complete–- check preview of the converted NSF file. To save the free 10 items per folder, you just need to click on ‘Save Converted File’ button. It will save the converted NSF file into PST format at the specified destination. Try the registered version of the software to save ALL items of the converted Lotus Notes mailbox.

Converts ALL Mailbox Items with Direct O365 Export

Need to migrate from on-premises IBM Lotus Notes server to Microsoft Office365? Stellar NSF to PST Technician Version allows the users to directly export the converted NSF file to Office 365. To export the converted mailbox to Office 365, just add Office 365 login Credentials.

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

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.

Converts Multiple NSF files

The software allows the user to select up to 4 NSF files and save them to a single PST after conversion. This is an incredibly useful feature if you have emails, contacts, journals, and notes saved in different NSF files. The Technician version of the software further expands the conversion utility by offering batch conversion of multiple (more than 4) NSF files into PST files. Best part is that further you can split converted PST file by ‘Size’ or ‘Date’.

Advanced filters for precise conversion

The NSF to PST converter software allows users to save the selected emails by applying ‘Filter’ to the converted emails. Users can also import the data as per “Date Range” or exclude emails from particular email addresses.

Export NSF to Different file formats

The Software also allows to save the mail items folder in 5 different file formats viz. MSG, EML, HTML, RTF, & PDF. To save the converted items— go to the preview pane, displayed after file conversion, and select the checkbox for items to be saved. It is entirely at user’s discretion to save all or selective mailbox items.

Compatible with Windows 10, Outlook 2019, and older versions

The Stellar software is compatible with the latest Windows 10, 8.1, 8, 7, and Windows Vista. This allows a wide set of organizations and users to migrate easily from Lotus Notes to Outlook. Additionally, the software also supports the latest IBM Lotus Notes versions 10.0.1, 9.0.1 till 6.0. It also supports Microsoft Outlook 2019, 2016, 2013 and older versions.

*Free download to scan and preview your lost or deleted data.

How It Works?

Software Specifications

About Product

Release Date April, 2020
License Single/Multiple Users
Edition Corporate & Technician
Language SupportedEnglish
System Requirements

Processor: Pentium Class
Operating System Windows 10, 8.1, 8, 7
Memory: 4 GB minimum (8 GB recommended)
Hard Disk:250 MB of Free Space
Download Guides


Try Stellar Converter for NSF to few clicks

*Free download allows to preview the converted file and save 10 items per folder.

You're in Good Hands



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 Converter for NSF 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.

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