SysTools NSF Split

Split Lotus Notes Mailbox, Archive & Contacts by
Reduce your Large NSF Database File Size

  • Batch Processing
  • No Size Limit
  • Rapid Throughput
  • No Need of Domino
  • Compatible with All NSF
  • Easy Management
  • Reduce NSF Size
  • Simplest User Interface

Key Features of Split NSF Tool

  • Divide Lotus Notes NSF Database (Archive, Mailbox & Contacts) More
  • Split NSF File by Size, Date, Year or Folders More
  • Break NSF file of Domino Server too
  • Lotus Notes Installation is Required to Split NSF File
  • Log Report Generated to Compare Reduced NSF with Original NSF File More
  • Successfully Split Password Protected NSF file, if you Know the Password More
  • Supports Lotus Notes 9.0 & below version More

You may be Interested in:

Tool to Remove NSF Security

Tool to Merge Lotus Notes NSF Files

SysTools NSF Split Software Specifications
Split NSF box

Size: 6.8 MB Version: 1.0



  • Lotus Notes Installation is necessary to split NSF Files
  • Microsoft .NET framework 2.0
  • If you are using Domino server then copy the NSF file in offline mode to another location & then perform the splitting process.
  • To split contacts you must have separate Names.nsf file

Download NSF Split

Trial Limitations

For Splitting NSF File by Size, Date and Year trial version will export first 15 mails and for Split by folder demo version will export first 15 mails of each folder.

System Specifications

System Specifications
  • Hard Disk Space: 20 MB of free hard disk space for installation

Supported Editions

  • Microsoft Windows – 2000, 2003, 2008, XP, Vista, or Windows 7/8/8.1/10 (32-bit & 64-bit), 2008/2012 (32-bit & 64-bit)
  • Lotus Notes – Lotus Notes 9.0, 8.0, 8.5, 7, 6 & below Versions are Supported by the Software to reduce size of Lotus Notes Mailbox, Archive and Contacts.

List of Key Features in SysTools NSF Split Software

Split Lotus Notes Archive

Split NSF Database File

The tool split the Lotus Notes Mailbox, Archive NSF file and Address book (Names.NSF). If you need to reduce size of your Lotus Notes Mailbox Database, then divide it using SysTools NSF Split Software.
Note: The tool also support NSF files of Domino Server

NSF Split Options

4 Splitting Option

Having various splitting scenario, the tool allows you to break the NSF files in 4 different ways:

  • Split NSF File by Size
  • Split NSF File by Folder
  • Split NSF File by Year
  • Split NSF File by Date

split nsf by size

Split NSF File by Size

If the size of the Lotus Notes database is too large & needs to be broken to, chunks of equal size then use this option. You can define the size range from 5 MB to 10 GB & the reduce Lotus Notes Mailbox size according to the defined size.

Split NSF by Folder

Split NSF File by Folder

Using this option, you can create multiple NSF files representing each folders of the database. Further, these folders can be divided according to the size. For instance: Inbox.nsf for Inbox folder, Outbox.nsf for Outbox folder is created separately & further you can maintain the size of each file by applying size filter.

split nsf by year

Split NSF File by Year

The software is intelligent enough to easily split your Lotus Notes database according to year & create a separate NSF file for each year. For example, if you selected year from 2010-2013 then software creates three individual NSF files representing each respective year.

split nsf by date

Split NSF File by Date

According to this filter you can filter the email of particular date to create a New NSF file from large NSF archive. You need to specify the the date, of which emails are required from the NSF File

split protected nsf

Split Protected NSF

If your NSF file is password protected, the software prompts for the password and successfully breaks your large NSF database. The tool also works on encrypted NSF files & splits them accordingly.

Lotus Notes Version

Supports All Versions

The software is compatible with NSF file of any Lotus Notes version, i.e. 9.0, 8.0, 8.5, 7, 6 & below. The tool successfully Split NSF files with the listed versions of Lotus Notes without any failure encountered in process.

show status
Show Status

You can compare your NSF file after splitting it, in the "Compare Report". You can click on Compare NSF button and generate CSV file to know the folder path, size, difference before and after splitting the NSF file.

NSF Split Software Screenshots
Split NSF tool
Step 1: Split NSF Software
Select option to split
Step 2: Select Split Option
Add files folders
Step 3: Browse NSF File
start splitting
Step 4: Process Completed
Watch Live Video of SysTools NSF Split Software

Watch Procedure to Split NSF by Size

Watch Procedure to Split NSF by Date

Watch Procedure to Split NSF by Year

Watch Procedure to Split NSF by Folder

Frequently Asked Question

Is there any way to split a large archive of Lotus Notes?
I am leaving my previous employer & I usually archive my emails. The archive created is of 5GB. I want to back it up on a DVD, which is not possible. How should I break the archive?

You can create multiple NSF files from your heavy Lotus Notes Database archive by using Split NSF File Tool. If you need the file to be split Lotus Notes Archive according to the size then just check the "Split by Size" option & define the constraint size so that multiple chunks of file are created of same size. If the NSF File needs to be split according to folder or year then select the respective option.

Can I customize the size of output NSF Files? How to break NSF files into smaller chunks?
I need to break the NSF File into 8 small chunks in order to process them in one of our e-discovery tool as the tool is having size limitation. What would be the best possible alternative for it?

The suitable method to split Lotus Notes Database in order to reduce its size is, using the provided option to "split NSF file by size". By using the same, you will get the multiple chunks of your NSF file of equal size without hampering the original NSF file as the software creates new NSF files.

What should I do if I want to split NSF File by year?
I am having a large NSF File of size around 11 GB. I just want to split my previous year's mails.

First, select the option "Split by Year". Then please do mention the year in the given boxes & process the result. You can verify the result, whether the NSF file is split by Year or no by opening it on Lotus Notes email platform.

What if I like to isolate extract a single folder from Lotus Notes?
I have created a personal folder in Lotus Notes. Now I want to delete this folder & keep a separate copy of it. According to my knowledge, all emails on Lotus Notes are saved in a single NSF file. What to do?

In this case, you can use SysTools NSF Split software. In addition, go with the option "Split by Folder". You just need to mention the folder name of which you want to keep a copy. Then process the file & you will get your separate email folder without any other extra folder. Additionally, if you need to delete the folder from your original NSF file, then open your Lotus Notes & select the folder & right click on it, there appears a "Delete" option, select it & now you find that particular folder is not showing.

What if I would like to split encrypted & password protected NSF File?

The software runs successfully on password protected NSF files & easily breaks your NSF file. You just need to provide password of your NSF File.

What Our Customer Says...

Discovering about this application was one of the best things I probably did lately that too by chance. There are plenty of applications in the market undoubtedly yet none worked as good as the Split NSF tool by SysTools.

Kris Gerard, London

Beginning to work on software and starting with my own database was a little scary at first but the way Split NSF worked, I was comfortable within a couple of moments. It's easy, comfortable to be used, and gives assured results, which makes it great.

Terrence Carlyle, Spain
SysTools NSF Split Order Now

Get an Overview of Split NSF Features - FREE and Licensed Version

Features FREE Version FULL Version
Add Lotus Notes NSF File
Advanced Split Options (Size, Year, Date & Folder)
Preview Split Information
Windows 10 & All Other Previous Windows Version Supported
Split Lotus Notes NSF File First 15 Emails All Items
Cost FREE $169