Summary
Are you trying to open an NSF file in Outlook without Lotus Notes now known as HCL Notes but not knowing how to do it? If yes then read this blog you will learn manual and automated methods to convert NSF files to PST files.
Overview
HCL Notes is the email client that is used to read the NSF files which contain emails with attachments, contacts, calendars, notes tasks, etc. It is used for email communication between the users and professional clients.
Sometimes users need to open NSF file in Outlook without Lotus Notes HCL Notes. In this blog, we have tried to solve this problem of users and written methods to open NSF files without the installation of HCL Notes on their system.
Reasons to open NSF file in Outlook without Lotus Notes
- Easy interface of Outlook- The graphical interface of the Outlook software is easier to use than the Lotus Notes.
- Higher Security- The data in Outlook is more secure than the Lotus Notes.
- Maintainability– Outlook can handle multiple mailboxes at a time on the other hand Lotus Notes can handle a single mailbox at a time.
- Cost efficiency- Outlook has more cost efficiency than Lotus Notes.
Manual Method to convert NSF file to Outlook
Step 1: Convert the NSF file to CSV format.
- Download and install the IBM Lotus Notes application.
- Go to the ‘File’ option and after then to the ‘Export’ option.
- Browse the location of the NSF file which you want to open the IBM Lotus Notes.
- Give a Name to the file and save the file in the Save as type option as CSV format.
- Now click on the ‘Export’ option.
- The pop-up will appear on the screen according to file selection.
- Read the pop-up and select ‘OK’.
Step 2: Import the CSV file into MS Outlook.
- Open MS Outlook.
- Go to the ‘File’ option and then to ‘Import and Export’.
- Select the option ‘Import from another program or file’ and click Next.
- Select option ‘Comma separated Values (Windows)’.
- Browse the location where you want to save the file and click ‘Next’.
- Select one folder at one time and click ‘Next’.
- Check the option ‘import from CSV file’ to the selected folder and click ‘Finish’.
Also Read
Automated Method Using Software
In the automated method, we use the software eSoftTools NSF to PST converter software. You can convert a single NSF mailbox and multiple mailboxes into a PST at a time. You can open NSF files in Outlook without Lotus Notes also such as EML, EMLX, MBOX, HTML, ICS, vCard, etc. In the preview panel, you can see the inner content of the NSF file and select the files and folders that you want to convert into PST files. You can export NSF file contacts to vCard and calendars to ICS format. It can work with NSF files of all editions of IBM Lotus such as 10.0.1, 9.0.1, 9.0, 8.5, 8.0.2, 7.0, 6.5, 6.0. In the demo version, you can convert 25 files from each folder of the NSF file to PST. In a few steps, you can convert NSF files to PST.
Steps to convert NSF files to PST files
- Download, install and launch eSoftTools NSF to PST Converter software in your system.
- Click the Select NSF button to select the NSF files in the software.

- Preview the NSF file contents such as email, contacts, calendars, Notes, tasks, etc. in the preview panel.

- Click the convert button and jump to the conversion wizard.
- Select the PST button from the conversion format and browse the saving location.

- Click the Convert button and start the conversion from NSF to PST.

- Once the conversion process is complete you can import the PST file in MS Outlook.
Conclusion
Now you know both manual and automated methods of conversion and after reading the blog you can conclude that manual methods are time-consuming , complex and not 100% accurate. On the other hand, third-party tool eSoftTools NSF to PST Converter Software is easy to use and 100% accurate.