Manually Convert Lotus Notes to Outlook Free NSF to PST Conversion

Each Company uses different email applications for their work. We have MS Outlook in Windows, Outlook for Mac and Lotus Notes for IBM. However if any organization shifts to different email client we need to convert the file format of these emails. Mac stores file in OLM format, MS Outlook in PST format and IBM Notes or IBM Notes in NSF format.

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If one is switching from IBM Notes to MS Outlook then we need to convert NSF (Notes Storage format) files to PST (Personal Storage table). We can convert NSF to PST manually by using the following procedure.

There is not a direct way to convert NSF to PST but with this trick we can help to convert NSF files to PST. First we need to transfer NSF files to a CSV or Structured Format and then import them to MS outlook.

  1. Export NSF files To CSV

  • Launch IBM notes or Lotus Notes in your System.

  • Open NSF database from where we want to export data.
  • Go to Menu, click on File tab and then Export button.

  • Now the Pop up box will open to save the file Select the folder/location and system drive where you want to save the data.

  • Now Name the file and go to Save as type field Select Comma Seperated Value (CSV) option and click OK button.

  • You can also select option Structured Text and click OK.

Now 50% work is done. NSF database will be exported to new file as per the option CSV or Structured Text. Next task to do is import CSV data to MS outlook. Follow the steps given below:

2. Import CSV File to Outlook

  • Launch MS Outlook application.

  • Go to File Menu, drag to Open tab and click on Import button.

  • The Import wizard will open, select option Import from another Program or file and click Next.

  • Select Comma Seperated Value (CSV) or Structured Text option which you choose earlier to save file and hit Next.

  • Choose the file from the location you have saved it earlier and select the folder I your MS Outlook Mail box.

  • Click Finish. The NSF database will be exported to MS outlook and all the mails, contacts, events, calendars can be used in MS outlook as same as in PST file.

Manual NSF to PST conversion is a tedious process and there might be chance that all the files are not converted and you might lose your data. So you can use third party NSF to PST converter to easily convert the NSF files.

Download Stellar NSF to PST Converter from

NSF to PST converter allows you to find NSF files and scans them with its intelligent engine. You can preview all your Lotus Notes NSF files before conversion and select as per your needs, NSF to PST converter supports Lotus Notes 9.0.1, 9.0, 8.5, 8.0.2, 7.0, 6.5 and 6.0 version and gives you option to save them in EML, RTF, PST, HTML or PDF format.

One thought on “Manually Convert Lotus Notes to Outlook Free NSF to PST Conversion

  1. Is there any software which can convert NSF TO PST without using this method?

    Thanks for sharing an article!!!!

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