SysTools Split PST

Divide Oversized MS Outlook PST Files into Smaller Parts to Avoid 2 GB PST File Corruption

  • Split large PST File into Smaller Parts by Date, Size, Year or Folder
  • Perform splitting on newly created PST file & Archive PST File
  • Option to split all items: Emails, contacts, calendars, Tasks etc
  • No PST File Size Limitation : Split both UNICODE and ANSI PST
  • MS Outlook Installation is required for splitting large PST file size
  • Supports MS Outlook 2000, 2002, 2003, 2007, 2010 & 2013 formats
  • Corrupted MS Outlook PST files need to be recovered before splitting

List of Key Features that SysTools Split PST Software Exhibit

split large pst file

Split up Large PST File

MS Outlook PST file splitter allows you to break the PST file of any size into smaller files. It is possible to divide UNICODE as well as ANSI PST files without losing any data. Also, the tool keeps Meta properties and formatting of each item, intact.


4 split options

4 Different Splitting Options

Tool to break PST into smaller files allows you to divide a large PST file in 4 ways i.e.

  • Split PST by date
  • Split PST by size
  • Split PST by year
  • Split PST by folder

split pst by date

Split PST File by Date

MS Outlook PST file splitter allows you to divide the size of a PST file by date. Here you can select a specific date and software will split outlook PST file by date in two parts. One part of PST file will contain the data 'of and prior' to the specified date while other part will have the data 'after' that date. read more


split pst by size

Split PST File by Size

With the help of this option, you can easily break a large PST file into multiple parts; using a common size for all. Define the PST file size range from 5 MB to 10 GB and the software will accordingly split outlook data file into multiple parts. read more


split pst by year

Split PST File by Year

If you want to divide the data in your PST file by year, then split by year option will prove helpful in breaking PST data yearly. The tool lets you to create a separate PST file for each year, for example: if you selected year from 2010 to 2014 then you will get 5 PST files separately. Also, you can split PST by current year 2014 and upcoming year i.e. 2015.read more


split pst by folder

Split PST File by Folders

In this option, you can create multiple smaller PST files for each folder by size. PST file splitter will create single PST file for each folder present within the Outlook PST file and further divide the respective folder by size specified by you. Like: Inbox.pst for inbox folder, Outlook.pst for Outbox folder, contacts.pst for contacts folder and so on. read more


outlook format

Split Outlook Archive Files

The software also allows to split archive.pst file/folder. It provides option to divide Outlook data archive by date, by size, by year or by folder which could be managed easily after importing it in Outlook.


pst file corruption

Oversized PST File Corruption Issue

Outlook PST file splitter tool does not support splitting PST files that are already corrupted due to oversizing. Although, you can split a PST file of size closer to 2 GB; in case of ANSI PST file formats. In case of PST file corrution it, need to be recovered. read more


log report
Log Report to Compare PST File

After the completion of breaking of PST into smaller files, software generates & saves a complete comparison report as CSV. This report includes fields like: Folder name, Folder path, Number of items in source PST files each folder, sum and difference of items before and after PST file splitting.


make new folder
Make New Folder to Save PST

It is possible to save the PST files after splitting; to any location of your choice. Also, if required, create a new folder directly from the PST Split software pane and save the files into it. Also, the CSV file report will get saved at similar location; by default.


outlook format
Option to Choose Outlook Format

While choosing a splitting option, you also need to select the MS Outlook format you are using. The PST Split tool supports Outlook 2000, 2002, 2003, 2007, 2010 PST file formats. Thus, if you specify the MS Outlook version, software will automatically detect the format of PST file.


Split PST Screenshots
split pst software
Step 1: Split PST
advanced split options
Step 2: 4 Split Options
split by date
Step 3: Split by date range
compare pst file
Step 4: Complete Status Report
Watch Live Video of Split PST Software
Download Split PST Software
Split pst Box

Size: 7.4 MB Version: 4.2

Trial Limitations

Trial version of software will split first 50 emails. For "Split PST by Folder" option, it will Split 10 mails in each folder.

Download Split PST

Installation Uninstallation EULA

System Specifications

System Specifications
  • Hard Disk Space: 15 MB of free hard disk space

Application Pre-Requisites

  • Microsoft Outlook should be installed and should be configured properly for any valid or dummy profile/account (Not Configured for Exchange).
  • If you are using Window 8.1/8/7 or Vista, then please launch the tool as "Run as Administrator".

Supported Editions

  • Microsoft Windows – 2000, 2003, 2008, XP, Vista, or Windows 7/8/8.1, 2008/2012 (32-bit & 64-bit)
  • MS Outlook– Outlook 2000, 2003, 2007, 2010, 2013 (32/64 bit)
Frequently Asked Question
Does PST Split software support Windows 8 Platform?

Yes, the software is compatible with Windows 8 as well as 8.1 OS.

Do I need to have Outlook environment to perform PST split?
While clicking on "Split" button getting error It needs to be on an Outlook profile. Can you help me?

Before splitting outlook data file please check whether Outlook is installed on your machine or not. Outlook installation is required for this software to work properly. Please configure it with any valid or dummy POP3 profile.

I have purchased Split PST software but received two installers. Which one to install?

After purchasing full version, you will get two installers of the software. One is for 32-bit Outlook and other one is for 64-bit Outlook. Please check bits of Outlook installed on your machine and use the respective installer accordingly.

How to check the bits of Outlook?

Before installing software please check bits of Outlook especially if you are using Outlook 2010. Outlook 2007 and below versions are of 32-bit.

Open Microsoft Outlook >> Go to File menu >> Help; and then check whether the Outlook 2010 is 32-bit or 64-bit.

Is there any size limitation within software to divide PST file?

No, you can split PST file of any size. Software does not impose such limitations.

Can I also split a corrupt PST file?

No, software will only divide healthy Outlook PST file and it should be accessible on Outlook. If you have a corrupt PST file and want to split it then repair it first by using SysTools Outlook Recovery and then split it by SysTools Split PST Software.

How much time does your tool take to split an 18 GB PST file?

Software does take very less time to split outlook data file. An estimate time taken by the software mainly depends upon the size of PST file.

Why am I getting "Outlook is not set as default email client" error?

Outlook must be set as the default email client for this software to work properly. Know how to set Outlook as default email client

Can I verify the output PST files with source PST file?

Yes, you can verify output PST file items with source PST file items as software generates a whole process report at the end of the operation in CSV format.

Can I add multiple PST files to the software at a time?

No, you can add only one PST file at a time.

Does the software split Outlook Archive data properly?

Yes, The software also split archive.pst file by Date, by Size, by Year or by Folder.

What Clients Say

Although after having a rough experience with other commercial solutions in the market, I had no faith left for SysTools Split PST either. However, it did surprise me hugely by its great performance and precise dividing PST file features. Absolutely the kind of tool I had been looking for.

Chester Richardson, Australia

Getting out of Outlook just because of the file size issue wasn't a part of my plan. So, I did something different instead and got SysTools Split PST application and got the data managed in date based and yearly archives for a proper management.

Pam Ruiz, Spain
Split PST Order Now

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


Features FREE Version FULL Version
Browse Outlook PST File
Select Outlook Format (ANSI or UNICODE)
Advanced Split Options (Date, Size, Year & Folder)
Preview Split Information
Previous PST to Splitted PST
Windows 8.1 & All Other Previous Windows Version Supported
Split Outlook PST File Split First 50 Emails All Items
Cost FREE $49