Free Methods to Convert NSF to PST – Step-by-Step Guide

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Both Microsoft Outlook and Lotus Notes are the widely used email service providers among the users. Lotus Notes supports NSF (Notes Storage Facility) file format to store all its mailbox data while MS Outlook supports PST (Personal Storage Table) format to store all the mailbox data. Due to various reasons, many users want to convert NSF to PST file format. Outlook offers several amazing features for its users which attracts them. It is impossible to access NSF files directly in Outlook. So, in this blog, we will provide the best and reliable methods to convert NSF to Outlook PST file format.

Before moving further to the process of NSF to PST conversion, let’s understand why there is a need for the conversion.

Reasons to Convert NSF files into PST Files

There are various reasons for which many users want to convert NSF to PST file format. Here we have mentioned some of the common reasons for NSF to PST conversion below:

  • Outlook is a much more cost-effective email service provider as compared to the Lotus Notes.
  • Users can easily configure multiple accounts simultaneously in the MS Outlook application.
  • Job switching is another reason as if the other working place may use the Outlook email client.
  • Microsoft Outlook email service provider is more user-friendly than the Lotus Notes.

These are some of the common reasons to export Lotus Notes to Outlook PST format. Now, we will move further and see how the manual process of the conversion works.

Hassle-Free Lotus Notes NSF Conversion

Download Free NSF to PST Converter to convert Lotus Notes NSF files to Outlook PST, PDF, Gmail, MBOX, Yahoo, EML, MSG, etc.

Manual Strategies to Convert NSF to PST File Format

Users can use the manual technique to convert NSF to Outlook PST file format. The process of conversion might be a bit lengthy and complex. So, it is suggested to create a copy of the original file as there is a risk of data loss due to human errors. Follow the steps provided here:

Step 1: Export NSF Files to CSV

  • Launch the IBM Lotus Notes program.
  • Click on the File tab.
  • Go on the Open button and select Lotus Notes application.
  • In the Open application window, Browse to select NSF files to export and click on Open.


  • In the File menu, select the Export option.
  • In the export dialog box, enter the file name, saving type and location of the file.
  • Choose the comma separated value format.


  • In the CSV export dialog box, select the options as per your convenience.


  • The data will get saved in the defined location.

Step 2: Import CSV File into Outlook

  • Launch MS Outlook application.
  • Open File menu.
  • Choose open & export option
  • Select Import/Export option.


  • Select import from another program or file in the next window.


  • Select the file type as comma separated values.


  • Click on browse to select the CSV file path.


  • Select the location where you want to save the exported file.


  • In the import file dialog box, check on the checkbox.


  • All the CSV files are now imported to Outlook.

Above are the manual steps to export NSF to PST file format. However, there are several limitations as well with the manual technique.


  • More complex and time-taking process.
  • Risk of severe data loss.
  • Exporting selective NSF files is not possible.
  • Batch conversion is not possible.

Automated Solution to Convert NSF to PST File Format

As there are several limitations with using the manual technique to convert Lotus Notes to PST file format. So, to avoid all these limitations, users can also use the third-party automated solution which provides an effortless and safe conversion process. You can use the smart NSF to PST Converter tool which is capable of performing the batch conversion of the NSF files. Any technical and non-technical user can easily perform the conversion using the advanced utility. The tool offers some amazing features which will help users with a quick and easy conversion.

Key Features Of the Utility

  • Easily exports all Lotus Notes mailbox data such as email messages, calendars, contacts, etc to Outlook.
  • Batch conversion is possible.
  • Provides Search, date filter, and preview options.
  • Capable of removing encryption from Lotus Notes emails.
  • Provides the saving DocLink and Internet header options.
  • No file size limitation.
  • User friendly GUI.
  • Demo version of the utility is also available for free evaluation.

Wrapping Up

In this blog, we have discussed how users can convert NSF to PST file format and the common needs for NST to PST conversion. We have discussed manual methods but also there are several limitations and risk of data loss. So it is highly suggested to use the professional NSF to PST converter tool which provides an hassle-free conversion.

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