Best Way to Convert NSF to PST Format In Windows 11

Written By Addy Wang
Updated on February 6th, 2025

Summary: Lotus Notes and MS Outlook are the two most popular email applications. When users want to switch from IBM Lotus to MS Outlook, they need to convert NSF to PST format. This is because Lotus Notes supports NSF, while MS Outlook uses PST files to store email data. Thus, this article discusses the best method for this NSF file conversion. Additionally, experts suggest directly using the SysInfoTools NSF to PST Converter Tool for ease and better results.

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Need to Convert NSF Files into PST Files

There are various advantages for NSF to PST Converter Online, such as:

MS Outlook provides advanced features and a simple interface.
PST files are easier to manage, store, and back up than NSF files.
It allows smooth sharing and collaboration with Outlook users.
To increase Lotus Notes data accessibility, integrity, and privacy.

How to Convert NSF to PST?

The process to export NSF to Outlook PST online free is done using the manual method or a professional tool. Here, we discuss the execution steps with the benefits and limitations of both methods. However, the manual way may be suitable for small files. Thus, a professional tool is more efficient and reliable for large or complex data.

Method 1: Manually Export NSF to PST Format

Important Note: This method requires both IBM Lotus and MS Outlook installed on your system. The method is divided into two parts for a clear and easy understanding.

Step 1: Export NSF Files to CSV Using IBM Lotus

Firstly, run Lotus Notes on your PC as an admin.
Now, click on the File tab and choose Export.
Further, choose a Comma-Separated Value (CSV).
Use optional features based on your requirements.
After that, give a name to the resultant file.
Finally, you will export NSF files into CSV formats.

Step 2: Import CSV File to PST Using MS Outlook

Firstly, open MS Outlook on your system to convert NSF to PST.
Click on the File tab and select Open & Export.
Now, choose the Import/Export option.
Further, select the Import from another program or file. Tap Next.
Afterward, select Comma-Separated Value (CSV). Hit Next.
Select the CSV folders to import from and click Next.
Browse and specify a location of choice for the PST file.
In the end, click Finish to complete the process.

Limitations of the Manual Method

This method only converts emails and contacts, not attachments or folders.
Requires technical knowledge and a good understanding of applications.
It’s time-consuming and can cause errors, especially for large mailboxes.

Method 2: Dedicated Software to Convert NSF to PST

The SysInfoTools NSF to PST Converter Tool is one of the most reliable solutions for converting NSF files. This top-notch utility allows users to convert NSF items (emails, calendars, contacts, tasks, notes) to PST format. In addition, it maintains the folder hierarchy while converting and allows you to remove duplicate emails. Moreover, this tool performs NSF to PST conversion in bulk without causing any data alteration and produces more advanced filters.

Offer a preview feature to check the content of the NSF files.
Does not require to installation of MS Outlook & IBM Lotus.
Highly compatible with all Windows OS versions.

Steps for Convert Lotus Notes NSF File to Outlook PST

Install and run the SysInfo NSF to PST Converter Tool as an admin.
Now, choose the Add File or Add Folders option to add NSF files.
After that, check the folder in the preview panel and click Next.
Further, choose the Saving Format as PST from the given list.
Subsequently, use optional features based on your requirements.
Finally, define the Path to Save and click on Convert.

Conclusion

To wrap up, this article explains the best ways to convert NSF to PST, including emails, contacts, and attachments. The manual method can only export emails and calendars, not attachments. This method is suitable for small data and has some limitations. However, if you have large data, opt for a professional tool.

Frequently Asked Questions

Q1. How to convert NSF to PST files?

Ans: Follow the below steps to convert NSF files to PST format:
1. Run the SysInfoTools NSF to PST Converter Tool.
2. Now, Add NSF files and click on the Next button.
3. Preview and select the NSF file to export. Press Next.
4. After that, choose PST from the drop-down list.
5. Further, apply advanced features and define the location.
6. Lastly, click on Convert to complete the process.

Q2. Is it possible to trial this tool in my environment before committing to a purchase?

Ans: Yes, use the demo (Free) version of SysInfo NSF to PST Converter Tool to check the functionality. Furthermore, you can switch to the full version at any time.

About The Author:

Addy Wang

Addy Wang is a talented content writer with a passion for creating engaging and informative articles. With a keen eye for detail and a strong command of language, Addy has the ability to craft compelling pieces that resonate with readers.