Live Chat
Home » Blog » Lotus Notes » How to Open NSF File in Outlook? Listing Out Effective Methods
Lotus Notes, MS Outlook

How to Open NSF File in Outlook? Listing Out Effective Methods

Published By Ashwani Tiwari
Tej Pratap Shukla
Approved By Tej Pratap Shukla
Published On March 1st, 2022
Reading Time 5 Minutes Reading

Are you unaware of how to open NSF file in Outlook? Well, look no further. The perfect solution with which the process can be done seamlessly is covered in this article. Keep reading!

When it comes to the most preferred email client, Lotus Notes is not every man’s best friend. The file format in which Lotus Notes stores its data is NSF.

The major problem with this file format is that you cannot access it on any other email client. This makes it mandatory to convert these files into some other file format to make them accessible.

The query of this article is not being able to open NSF file in Outlook. This requires the files to be in a file format accepted by Outlook i.e. PST.

How can you do that?

Well, there are not many solutions that you can use to convert the data files which is why we are going to discuss a two-step technique here.

There is no direct solution to do the same. The software that should be used to effortlessly complete the process is discussed below.

Let’s get started with the operation and find out how the method works.

What Are the Methods to Learn How to Open NSF Files in Outlook?

MS Outlook is one of the most demanded email platforms today. This is the reason why every other email client is looking for ways to move to it.

As discussed above, moving to Outlook requires the data to be in PST file format.

The process to open these files in Outlook will be discussed in two steps:

Moving on to the first step for the conversion.

Step 1. Performing Conversion to Open NSF File in Outlook

If you want to convert your files to Outlook data file in a hassle-free way, do it with the help of a professional tool- NST to PST Converter.

Download Now Purchase Now

This tool can convert all kinds of data in NSF files format like Emails, Calendars, Tasks, Notes, Journals etc. to Outlook supported format at once.

The tool even provides a Filter to transform only the data that you select to the required file format.

All the current Lotus Notes versions are supported by the tool to learn how to open NSF file in Outlook.

To know how to do it, go through the steps given in the next segment.

How Does the Software Convert the Data Quickly?

Step 1: Start by downloading and then installing the software on your system. Click on the Add Files or Add Folder option to select the files that you want to convert.


Step 2:  Select the items that you want to convert the data from the Categories section and apply the ‘Date-Filter’ option to convert only selected data from a certain time-period.


Step 3: Then, to open NSF File in Outlook in the same hierarchy, use the Advance Settings as per requirement.


Step 4: Click on the ‘Browse’ option to decide the destination where you want to store your final outcome.


Step 5: Then, hit the ‘Export’ option to begin the process.


You have the option to split the data file into smaller parts if the need be by settings the size in the Split Options for Outlook data.

The resultant data file that you got needs to be imported in Outlook now. Implement the following steps to do the same.

Step 2. How to Open NSF File in Outlook by Importing Results?

To open the converted files in Outlook, a user can use the Import/Export option provided by Outlook to do it.

Follow the steps to how the procedure:

Step 1 – Launch MS Outlook in your system and navigate to the File menu.

Step 2 – Now, select the Open & Export Then, choose the Import/Export option.


Step 3 – Now, click on the ‘Import from another program or file’ and then hit Next.


Step 4 – Then, click on the ‘Outlook data file (.pst)’ and select the Next button.


Step 5 – Finally, check the boxes given, and click on the Finish button.


What Can Be the Reasons Open NSF File in Outlook?

There can be numerous reasons why users would want to access their IBM Notes Storage Facility (NSF) database file. Some of them are:

  • The user wishes to access the file on another PC that has Outlook installed in it.
  • When you wish to switch from the IBM Notes email client to another client owing to the Notes application’s high maintenance costs.
  • Emails, contacts, calendars, and other mail items are saved in separate files in the Notes program. Whereas, Outlook keeps all mail items in a single Personal Storage Table (PST) file. It is more difficult to manage several files than a single file.
  • Users also learn how to open NSF file in Outlook due to the poor server support provided by IBM’s Lotus Notes.
  • The Lotus Notes application is not installed on the current system.
  • Orphan NSF files are received from some external resource & the Notes application is not installed.
  • This can happen because of reasons like mergers or acquisitions, and the other company uses Outlook.
  • Due to the segmented file structure and large database size of Lotus Notes, the backups of it are very slow.

Final Verdict

The main requirement for how to open NSF files in Outlook is to convert them into Outlook data file format. The reasons to do it can be many, and some of them are also discussed in the article above.

The expert solution i.e. the converter, is discussed in this article. Along with that, stepwise working is also explained for your ease.


By Ashwani Tiwari

I am an Expert Technical Analyst, specialized in assisting users with complex technological challenges. Through my blogs and articles, I offer expert guidance to help tackle these technical issues effectively. My true passion lies in providing valuable insights and simplifying complicated technicalities, enhancing user understanding and confidence.