Softaken OST to NSF Converter

Softaken OST to NSF Converter

Utility that Converts Outlook OST Files to Lotus Notes NSF Format

  • Convert OST files to NSF safely and swiftly
  • Perform complete scanning of the selected offline folder of OST
  • Display all mailbox items in the left pane
  • Support ANSI and UNICODE file types
  • Batch migration of OST files is supported
  • Complete migration of emails, contacts, notes, calendars, tasks, attachments, etc. of OST file
  • No requirement of Outlook configuration
  • Holds folder hierarchy and email attributes
  • Filtered items conversion from OST to NSF format
  • Provision to ignore empty folders
  • Evaluation edition for testing the application

List of Key Features of OST to NSF Converter Tool


Bulk Outlook to Lotus Notes migration

Softaken OST to Lotus Notes NSF Converter is designed with a quick conversion algorithm that offers conversion speed and scanning of OST file. The utility exports multiple OST files at a time irrespective of Outlook versions where it is created.


Export entire Outlook database

OST to NSF Converter export all mailbox items like emails, address book, calendars, attachments, etc. The application can be effortlessly handled by all technical or non-technical users without prior technical knowledge.


Export names.nsf contacts to VCF/CSV

With this program, users can export names.nsf file contacts to VCF and CSV formats. In the same manner, Outlook OST calendars are saved into ICS format. After export, users can save the complete NSF file to any location of their choice.


Offer Preview and Filter options

OST files to IBM Notes NSF Conversion Tool offer a complete preview of OST mailboxes in the left pane. Apart from it, users have advanced filtration options by which they can filter the database according to date range and export only required items.

Tools Faq's

The 'Date Range' feature helps users to export data of a specified range. You need to select a date from which you want to start exporting OST data and also choose the end date.
Yes, a demo version of OST to Lotus Notes Converter contains the same features as the license version. Through the demo edition, you can export 10 emails of OST file to NSF format. Once you are satisfied with the demo edition, you can buy the licensed version.
Yes, you can simply download the program on Windows 10 OS and export OST files into Lotus Notes NSF format.
Yes, you can convert Outlook 2007 OST file to NSF format with this program. Moreover, all versions of MS Outlook are supported by the tool.

Software Specifications

System Requirement

ProcessorAny Pentium Class

Operating SystemWindows 10, 8.1, 8, 7 & Other

Memory512 MB Minimum

Hard Disk100 MB of free space for software installation

Software Delivery

ElectronicVia Email


Interface Available

Language SupportedEnglish

Support OptionEmails, Chat & Skype

Client Reviews

Patrik Scherer

United States

I have recently bought your software and it is really cool to convert offline Outlook OST files to Lotus Notes NSF format with this. Thanks to the developers of Outlook OST to NSF Converter for this commendable utility.

Amir Nahvi


Without any file size limitations, I have converted a large size OST file into IBM Notes NSF format. I haven't faced a single trouble during this export. I recommend all the needful users to try this utility once.

Sharon Gillings


I checked various applications to convert OST files to IBM Notes NSF. But when I tested the demo version of OST to NSF Converter, I decided at that moment to purchase it with its rapid working speed and simplified GUI. Now, I can say that I have taken the right decision.