How to Add NSF File in Lotus Notes to Outlook?

Lotus Notes, once a popular email and collaboration platform, has been succeeded by modern email clients like Microsoft Outlook. If you find yourself in a situation where you need to migrate your Lotus Notes data, specifically .NSF files to Outlook, this article will guide you through the process. The migration process involves exporting data from Lotus Notes and importing it into Outlook. Follow these steps to seamlessly transfer your .NSF files to Outlook.

Why Users Need to Import NSF Files into Outlook?

There are several reasons why individuals or organizations may choose to import Lotus Notes .NSF files into Outlook. Here are some common reasons:

  • Migration to a New Email Platform: As organizations evolve, they may decide to transfer from Lotus Notes to Microsoft Outlook for various reasons, including enhanced features, better integration with other Microsoft products, or cost considerations.
  • Enhanced Features and Functionality: Outlook provides a range of features that some users may find more advanced or user-friendly than Lotus Notes. These features include a robust calendar, advanced search capabilities, and a more intuitive user interface.
  • Ease of Use and User Familiarity: For individuals or organizations accustomed to the Microsoft Office suite, particularly if they are already using other Microsoft applications, moving to Outlook can result in a more seamless and user-friendly experience.
  • Cross-Platform Compatibility: Outlook’s widespread use and compatibility across different operating systems make it easier for users to access their email and data from various devices, including Windows PCs, Macs, and mobile devices.
  • Corporate Merger or Acquisition: In the case of corporate mergers or acquisitions, different entities might be using different email platforms. Standardizing on a single platform, such as Outlook, becomes essential for efficient communication and collaboration.

Manual Methods to Add NSF File in Lotus Notes to Outlook

To open an NSF file in Outlook, you must convert it to an Outlook-compatible format (such as PST), which requires that you perform the two steps listed below.

Step 1. Export an NSF File to a CSV File

  1. Select the Open option after launching HCL Notes on your PC.
  2. Navigate to File and select Export.
  3. Choose Comma Separated Value or Structure Text from the drop-down list after giving your file a destination.
  4. You can also click the Export button after typing the file’s name.
  5. Select the necessary option in the CSV Export wizard, such as “How much to export” or “Export Character Set” or “Detail of Incorporate.”
  6. Press the “Ok” button.
  7. You will receive the output CSV file at the place of your choice after the process is finished.

Step 2. How to Use the Outlook Application to Import a CSV File

  1. Launch the Outlook software on your PC.
  2. Go to the Import/Export option under File>>Open & Export>>.
  3. Click Next after selecting the Import from another program or file option.
  4. Select “Comma Separated Values” as the file type and click “Next.”
  5. To locate and upload the CSV file, click the Browse option.
  6. If necessary, you can select the other alternatives here as well.
  7. After choosing the destination folder to add the file to, press the Next button.
  8. To finish the procedure, click the Finish button at the end.

Once the procedures are finished, opening an NSF file in Outlook will be simple. Nevertheless, the manual method requires an HCL Notes environment to be installed on your PC and is lengthy and time-consuming.

Pro Solution to Open NSF File in Lotus Notes to Outlook

NSF to PST Converter is a feature-rich tool that includes the ability to access, view, and read NSF files in Outlook. With only a few easy steps, users can convert numerous NSF files into Outlook PST files with this software. Let’s see how the software functions.

  1. Start the Windows computer’s Lotus Notes Converter Tool.
  2. Using the Add File(s) button first, then select the files or folders to load NSF files.
  3. After the software has read the NSF file, all relevant data folders will be displayed in the left pane.
  4. Click on the essential file whose contents you need to inspect in the Preview box before converting.
  5. Now click on Export button and pick PST from the list of saved files that displays.
  6. Modify additional options, like Split PST, Filters, Email Address Translation, and more, before saving a PST file.
  7. Click the Convert button to start the NSF to PST conversion.


The NSF to PST Converter Tool is an amazing application with all of the characteristics mentioned above. Because of its creative creation, the tool can easily solve problems for users and offer a clear solution. Thus, you can transfer the first 20 items in NSF format for free by downloading the demo version of the NSF to PST Converter. If you wish to convert data indefinitely, you will need to acquire the license edition of the tool.

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