How to Open Lotus Notes NSF File in Outlook? with Two Methods

Published By Jamie Kaler

Approved By Rollins Duke

Published On April 11th, 2025

Reading Time 7 Min Read

Do you have NSF file of Lotus Notes and want to open it in the Outlook email client? Then you are on the right page. We have tried to explain how can you open NSF file in Outlook 2021, 2019, 2016, 2013, 2010, and older versions.

Microsoft Outlook has become the first choice of all users who use any email client for their personal and professional use. Because of its multiple advantages, it is available for Mac, Windows, and web-based, unlike Lotus Notes. Not only this but multiple reasons exist, which compel users to open NSF file in Outlook 2021, 2019, 2016, 2013, and older versions.

Why Only MS Outlook?

Users choose Outlook over Lotus Notes because:

It has Lotus Notes has a technical interface, that is not easy to use for all users. For HCL Notes, technical knowledge is required.
Also, Lotus Notes takes more financial maintenance than Outlook.
Outlook provides multiple advanced capabilities in low cost than HCL Notes.

How Do I Open an NSF File in Outlook?

These are the short and quickest steps to import NSF file to Outlook professionally.

Step 1: Start the solution after installation.

Step 2: Import your NSF files and folders.

Step 3: Open and analyze needed emails.

Step 4: Choose “PST” from the Convert option.

Step 5: Apply some settings as per choice.

Step 6: Click on the “Next” button to convert NSF file to Outlook account.

Are There Any Methods to Import NSF File to Outlook?

Yes, there are two methods for opening an NSF file in Outlook 2021, 2019, 2016, and older versions: manual and paid solutions.

The manual method is a good option because you don’t have to pay any single amount. But technical knowledge of Lotus Notes and Outlook account and following all steps carefully is required. Because one wrong step will lose your data permanently.

But if you don’t have technical knowledge and don’t want to lose your professional data, then just go for the RecoveryTools Lotus Notes File Migrator or Viewer. Because this is the only solution, that can preview and convert NSF file into PST for Outlook accounts.

Is it Possible to Open NSF File in Outlook without Lotus Notes?

No, it is not possible. I know many of you are looking for methods and solutions to open NSF file in Outlook without Lotus Notes installation. But it is not possible to do it without HCL Notes on your machine.

Lotus Notes installation is required to access data securely. There is no method or solution available in the market which can import NSF file to Outlook without Lotus Notes.

How to Open NSF File in Outlook Manually?

Firstly, we have to export your emails in CSV format, and then we will import them into Outlook 2021, 2019, 2016, 2013, 2010, and older versions. Both steps are explained below with every detail:

Open your IBM Lotus Notes.
Find and go to the “File” tab.
Select the “NSF Mailbox” >> “Export” option.
Select the name of your file and select the needed location.
Choose “CSV” as your saving type.
Simply click on the “Export” button.
Enable the required additional options as an “Export” option.
Choose the “OK” button.
Lastly, your CSV file with Lotus Notes emails will be saved at the selected destination.

Step 2: Upload the Exported CSV File to Outlook

Start your MS Outlook.
Choose “Open & Export” from the “File” tab.
Now select the “Import from Another Program or File” option.
Select “Comma-Separated-Value” from the list.
Select the exported CSV file to upload.
After that, choose the folder in which you wants to keep data.
After importing your data file, hit the “Finish” button.

This is the whole process of manual steps to open NSF file in Outlook account. But there is the twist, which is necessary to know for you.

These methods will change the data quality, which can lead to data corruption. Also, there is no 100% guarantee that this process will work perfectly.

What’s the Right Method for Professional Users to Import NSF File to Outlook?

RecoveryTools NSF File Converter Tool is the right and professional solution to open your multiple NSF files in Outlook of any version. The software is the first choice of experts and it is highly recommended by Microsoft as well to import NSF file to Outlook accounts.

The software comes with brilliant features and filters, which makes the tool more powerful and easy to use for all users. Also, there is no need for advanced technical knowledge, unlike manual methods. For better knowledge, you can check the mentioned page or read the given feature information to open NSF file in Outlook:

Download Now Purchase Now

Important Note: Investing your money directly into this software is not the right option, we suggest using the free version first to import 25 emails from each folder.

How to Open NSF File in Outlook Account? Software Steps

Download and start the NSF to Outlook Importer tool on your system.
After that, add your files and folders using the “Add Files” and “Add Folders” options.
Then, you can open and view your Lotus Notes emails with attachments.
Hit on the “Convert” button and choose the “Saving Type” as “PST” from the list.

Why PST: Outlook supports only PST format to import data properly without any hassle.
Go to the “Filter Options” tab and apply some advanced settings to import NSF file to Outlook selectively.
Select the location to save your output PST file at any destination using the “Browse” button.
Hit on the “Next” icon to start the process to open NSF file in Outlook.
A confirmation will show, after the process is completed and click on the “OK” icon.
A saving log report will automatically open with the complete details of the process.
Now launch the Outlook >> head to the “File” tab >> choose “Open Outlook Data Files” option and browse and open your exported output PST file.

Why Expert Tool to Import NSF File to Outlook?

This software allows users to preview all the NSF file data on the panel like emails with attachments.

Also, it can convert all types of data of NSF file including emails, contacts, calendars, notes, journals, and other data.
Advanced filters help users to import selective data according to choice like Date Range, To, From, Subject, and other data. Also, you can remove the unwanted folders from the output file.
Output PST files will be acceptable in Outlook 2021, 2019, 2016, 2013, and older versions.
Users can change the name of all folders and emails in different languages including English, Spanish, French, German, Dutch, Italian, etc.
Also, it has the power to create separate PST files for every NSF file option to prevent output files from corruption issues.

What’s the Conclusion?

Following the right steps to open NSF file in Outlook 2021, 2019, 2016, 2013, 2010, and older editions. Because both are different email services by different operating systems. Users choose Outlook due to multiple reasons like advanced filters, settings, low maintenance cost, and also it has simpler interface than Lotus Notes.

Causes whatever, we have tried to provide all the possible information like manual and paid solutions to import NSF file to Outlook with all data. you can choose any method which suits your needs best. If you have any query related with the solution, then contact us through chat support.