OST to NSF Converter





SysTools OST to NSF Converter

Tool to Convert Corrupt / Orphaned OST Files to NSF Format

(Average Rating 4.6 Based on 35 Reviews)
  • Convert OST Files into NSF PST, MBOX, MSG, EML, EMLX with All Attributes
  • Convert into Document Formats PDF, vCard, CSV, ICS, TXT, HTML, MHT, DOCX, DOC, RTF
  • Save OST file emails with attachments into Lotus Notes NSF format
  • Batch Export multiple mailboxes of Outlook OST files into NSF file
  • Maintain folder hierarchy while saving emails from OST into NSF
  • No File Size Limitation: Convert any size of OST file into NSF format
  • Allows to scan & preview all OST file items along with attachments
  • Lotus Notes version 9.0 or below should be installed on host machine

Free Live Demo - SysTools OST to NSF Converter Tool Fully Secured Download Version

OST to NSF Converter Software - Features

Convert OST to NSF

Convert OST to NSF Format

It is possible to convert all emails from corrupt MS Outlook OST files into NSF format. The software keeps Meta data intact and retains the attachments embedded within converted emails. It allows converting emails from inbox, sent items, drafts, deleted items & other customized folders.

Scan & preview Items

Scan & Preview OST Items

The Outlook OST to NSF Converter performs a quick scanning of OST file and loads all mailboxes present it onto the software panel. Further you can click on any folder and preview its items. The software will also show you the preview of email attachments.

Export Selective Folders

Export Selective Folders Only

Though OST to NSF converter supports batch migration of emails from OST file into Lotus Notes, it is possible to convert only required items. The software allows you to check or uncheck items / folders that are not desired for export or conversion by you.

Sort Items with Attributes

Sort Items with Attributes

The software scans and lists all items present within the selected OST mailbox. You can view emails, contacts, calendars, tasks, etc.; along with their associated properties. These may include: from, subject, received time, size of email, contact full name, company name etc. Also, you can sort the list of items by rearranging these attributes in a desired order.

Easy to Use Interface

Easy to Use Interface

The software has a self-explanatory user interface allowing any one to use the tool easily. All the features and options are integrated on a single panel which makes the software less complicated and technical. The program is designed using algorithms that make it easily usable by a technical as well as non-technical user.

Save at Desirable Location

Save at Desirable Location

Once you start the conversion of emails from OST to NSF, software prompts you to choose a desired save location for the same. You can select any location of your machine to save the NSF file else if required; you can also create a New Folder directly from the browse window of software and save the file into it.

OST to NSF Converter - Specifications

Understand the System Requirements to Use SysTools This Software

Software Download

Trial Limitations

Free Demo version will generate Preview of complete data & Export only 25 Items per Folder. To convert complete data, buy OST to NSF converter full version.

System Specifications

Hard Disk Space
100 MB of free hard disk space required

4 GB of RAM (4 GB is recommended)

Intel® Core™ 2 Duo CPU E4600 @ 2.40GHz 2.39GHz

Supported Platforms

Windows 11 (64 bit), 10, 8, 7 (32 bit or 64 bit) & Windows Server 2019, 2016, 2012 R2, 2008

Compatible with Microsoft Outlook 2000, 2003, 2007, 2010, 2013, 2016, 2019, 2021 (32/64 bit)

Application Pre-Requisites

  • If you are using Windows 11 (64 bit), 10, 8, 7 (32 bit or 64 bit) & Windows Server 2019, 2016, 2012 R2, 2008, then please launch the tool as "Run as Administrator".
  • Microsoft .NET framework 4.5 or above should be installed.


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OST to NSF Converter - Comparision

Get an Overview of OST to NSF Converter Features - DEMO and Full Version

Features FREE Version FULL Version
Add Outlook OST File
Sort Items with Attribute
No File Size Limitation
Preview data items
Supported Windows 8 & All Other Previous Versions
Convert Selective OST to NSF
Export Complete OST Files to NSF
Cost FREE $49

Frequently Asked Questions

Listed Commonly Asked Questions and Answers

How to use the OST to HCL Notes converter?

Free converter Software

Simple 4 Steps to Convert Outlook OST to NSF:

  • Step 1: Download OST to NSF Converter and Launch
  • Step 2: Browse Outlook OST File into Software Panel
  • Step 3: Preview Browsed OST file Items in 7+ View Mode
  • Step 4: Select NSF Option and Click on Export button

This software can convert any size of OST file successfully into NSF format as it is programmed with latest technology. There is no limitation on the size of OST file imposed by the tool for conversion.

Yes, MS Outlook should be installed and configured properly before the software is used. It should be configured with any valid or dummy POP3 profile.

Only one OST file can be converted at a time using this software.

Yes, this software can be installed on Windows OS 10 and lower versions.

Yes, this software converts emails along with their attachments from OST to NSF without any issues surfaced.

Yes, Lotus Notes email client application should be installed on conversion machine in order to perform a successful conversion.

You may install any version of Outlook (32-bit) and Lotus Notes v9.0 or below on the conversion machine.

Yes, you can convert emails from selective or all OST file folders at one go into NSF file successfully.

What Clients Say

SysTools OST to NSF Converter Software Verified Reviews
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