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“We are known many popular solutions for Domino/Notes environment. This is a beneficial solution for viewing NSF files.”

Managing Director KernelApps
sudesh kumar

Salient Features

The smart features and options in the tool are described here.

Open All Types of NSF Files

Open All Types of NSF Files Kernel Free NSF Viewer tool offers quick access to NSF files of IBM/Lotus Notes and Domino Server without any hassle. You can open and view NSF files of all Notes versions using this tool.

Open Without Domino Server

Open Without Domino Server With this tool, you can easily open and read NSF files without connecting to Domino Server.

Add Multiple NSF Files

Add Multiple NSF Files Users can select multiple Lotus Notes NSF files and view their content one by one with the help of this free NSF viewer tool.

Preview Emails and Attachments

Preview Emails and Attachments Kernel Free NSF Viewer tool gives you the freedom to view every attachment of your NSF emails. You can open and read content from NSF email attachments easily.

Open Damaged NSF Files

Open Damaged NSF Files This tool is capable of opening any NSF file whether it’s healthy or corrupt/damaged.

Support All Versions of IBM Lotus Notes/Domino Server

Support All Versions of IBM Lotus Notes/Domino Server With Kernel Free NSF Viewer tool, you can open and read NSF files of any IBM Lotus Notes/Domino Server version. It is suitable for every NSF file.

Save 10 Items Per Folder

Save 10 Items Per Folder Kernel Free NSF viewer tool allows you to save 10 items per folder in the NSF file to Outlook PST file.

Compatible with All Versions

Compatible with All Versions Kernel NSF Viewer tool is highly compatible with all versions of Windows operating system, including Windows 10/8.1/8.

What is an NSF File?

NSF is an IBM Lotus Notes file format which stands for Notes Storage Facility. An NSF file stores different mailbox items such as emails, contacts, appointments, calendar, etc. NSF files are used to store personal as well as professional information in a systematic manner.

What Needs Does NSF Viewer Tool Fulfill?

Kernel Free NSF Viewer can fulfill several needs, such as:

  • Reading emails and entire data of NSF files
  • Accessing email attachments quickly
  • Saving NSF files in Outlook or Exchange (Up to 10 items/folder)
  • In opening corrupt/damaged NSF files


Viewing NSF file with Kernel is very simple. Click on the Download Free button from its webpage to have the software. Once it is installed, run it and follow the steps mentioned below.
  1. Start with adding the desired NSF files from system by clicking on Add Local NSF File(s).
  2. Now, select the file and click on the Preview button to view the file.
  3. Select each file item to view its complete content in the Preview pane.
No, there is no file size limitation. You can open and read NSF files of any size.
You can add multiple NSF files simultaneously to the free NSF viewer tool. But can preview only one at a time.
The free NSF viewer tool allows you to save 10 items per folder.
Yes, you can easily open and read attachments with Kernel Lotus Notes NSF Viewer.
Yes, this tool is highly compatible with all windows operating system, including Windows 10.

Software Prerequisites & Recommendations

About Software

  • Version Support

    Lotus Notes IBM SmartCloud™ Notes®/IBM® Verse/12/11/10/9.0.1/9.0/8/7/6, Lotus Notes Domino Server 12/11/10/9.0.1/9.0/8.5/8.0/7.0/6.5/6.0, Outlook Office 365/2019/2016/2013/2010/2007/2003/2002/2000/98 and 97, Microsoft Exchange: 2019/2016/2013/2010/2007/2003/2000/5.5 and 5.0

System Requirements

  • Hard Disk

    50 MB of disk space

  • Memory

    64 MB Minimum

  • Processor

    Intel® Pentium Processor compatible (x86, x64) or equivalent

  • Operating System

    Windows 11/10/8.1/8/7/Vista/XP/2000/98/NT and 95, Windows Server 2019/2016/2012/2008 R2/2008/2003 R2/2003

Software Guides

Upgrade License

Kernel NSF Viewer

User Reviews

Kernel NSF Viewer

(4.9 / 5) 545 Reviews

Love to recommend it to others. It is a simple three-step process and very easy to operate. And in case of any problem, customer support is there.


Simple, secure, and free tool to open and access Lotus Notes NSF file data without any restrictions. Great work.


The tool helps me to open large NSF files and save them into Outlook PST without any charges. Simply the best tool ever.

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