Convert NSF to PST Format and Migrate IBM Lotus Notes Data to Outlook

June 24, 2018 | Views: 1951

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Method to Convert NSF to PST Format – Expert Solutions

When we work with NSF files, we need a Domino server, and when we work with PST files, we need an Exchange server. The Domino server works with Lotus Notes (IBM), and the Exchange server works with Microsoft Outlook. Both are different platforms, so if we need to switch from Lotus Notes to an Exchange server or Outlook, then we need to convert Lotus Notes NSF files to Outlook PST format. NSF to PST conversion can be done simply by just exporting the Lotus Notes NSF files to Outlook PST.

Reasons for Migrating NSF to PST

Here are the following reasons for exporting Lotus Notes NSF to PST:

  •         NSF files can’t be directly accessed in Outlook because Outlook has different file formats to save user data.
  •         MS Outlook is more affordable compared to Lotus Notes.
  •          Microsoft Outlook is much more user-friendly then IBM Lotus Notes.
  •          Job Switching
  •          MS Outlook provides a simple user-friendly interface compared to Lotus Notes.
  •          In the Outlook interface, the user can organize data very easily and effectively.
  •          Microsoft provides every update very easily compared to Lotus Notes.
  •          The cost of maintenance of Lotus Notes is higher than that of MS Outlook.

Methods to Convert NSF Files to PST Format

  • Manual Method to Convert Lotus Notes NSF to MS Outlook PST Format
  • Use Third-Party Software to Migrate NSF to PST

Manual Method to Convert Lotus Notes NSF to MS Outlook PST Format

  •     Export the .nsf file to .csv file (intermediate)
  •     Import .csv file into MS Outlook

Important Point: “Before starting with the manual method, first create a backup of your NSF file to migrate it in PST file format.”

Method to Export the .nsf File to .csv File

Step 1: Open your Lotus Notes Program.

Step 2: Open your NSF file.

Step 3: Open the Mailbox and then click on File Menu and click on Export.

Step 4: In the dialog box, give a name to the file and select the comma separated value option for the file format.

Step 5: A new dialog box regarding the CSV file will appear. Select the desired option according to your needs and click on OK.

Step 6: Now, the exported data will save in a selected destination folder in .csv format.

Now, Follow the Method to Import a CSV file into Outlook

Step 1: Open MS Outlook.

Step 2: Click on File Menu.

Step 3: Click on Open & Export

Step 4: Click on Import/Export.

Step 5: From the dialog box, select the Import from another program or file option and click next.

Step 6: Select Comma Separated Value and click next.

Step 7: Click on the Browse button and provide the path of the CSV file; click on any option as your requirement and then click on Next.

Step 8: Provide a selected path to save the imported data and click on Next.

Step 9: Click on the checkbox and then Finish.

Use Third-Party Software to Convert NSF to PST Format

Using the manual method has some limitations in migrating NSF to PST.

The manual method is difficult for new users. It is a time-consuming process and might cause corruption in the file. If a wrong step is carried out, then the data might be lost on the user side. The manual method is also not able to maintain email formatting and folder structure. To avoid these issues, a user should use third-party software to migrate NSF files to PST files.

Just follow the steps below to use a third-party software program named MailsDaddy NSF To PST Converter.

Step 1: Download and run the software on your local machine.

Step 2: Click on Add Files.

add NSF file

Step 3: Select the desired NSF file which you want to convert to PST format and click OK.

NOTE: You can select more than one file at a time for Lotus Notes to Outlook data conversion, and you can also see a preview of your NSF files.

Step 4: Click on the Export button to start the conversion of Lotus Notes NSF to Outlook PST format.

Step 5: Select the options according to your requirements from the dialog box.

select the options

Step 6: Now, the process is finished, and you the can check the progress of the conversion of Lotus Notes NSF to PST format in the progress bar until it is finished.

Now, your NSF file has been converted to PST format. Open the file in your Outlook application to access it in PST format.


In this article, we discussed how to convert NSF to PST format and described all the possible methods for the migration of Lotus Notes to Outlook. Third-party software is the best to use for the migration of NSF file data to PST format because the manual method is a tiresome, time-consuming process. We tried to explain everything clearly, but if you still have any questions or suggestions about the article, please comment. We are happy to help you!

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