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PST Split Tool v4.0

Split large PST file into smaller Outlook PST files

PST Split Box
SysInfoTools PST Splitter is intuitively designed tool to split a large PST file into smaller and manageable Outlook PST files. It provides you multiple splitting options like: Split PST file by size, by date and by sender's email id. This PST split application is specially designed to deal with some serious issues like: PST corruption due to file size limitation, file management, server performance and others. With the help of Outlook PST Splitter, you can easily split PST files including Emails, Journals, Notes, Contacts, Calendars, Tasks etc. and can protect your Outlook data files from the corruption issues.

  • PST Splitter split large PST files into smaller parts in a completely safe mode.
  • Software performs swift splitting of selected PST file in just no time.
  • PST Splitter allows encryption on the new PST files by applying different Encryption type.
  • You can create single PST or separate PST file for selected or every selected folders respectively.
  • Multiple options to split large PST files i.e. Size, Folder, Date, or Sender's Email ID.
  • Free PST Split tool is also available online to save first 25 emails.
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Key Properties of Outlook PST Split Tool


Swift Splitting
Swift and Safe Processing

Smart feature like Low footprints of PST Split software, allows ultra-fast splitting of selected PST files in one round processing. None of your PST files are harmed or altered during the split PST file action and data integrity is maintained.

display files
Identify and Displays File Specs

PST split Tool is a feature-rich utility as it enable users to identify the information of selected PST file, such as PST file name, file type (Unicode or ANSI), file size (in bytes) and a total number of email items stored in the file. Hence making it easy for the users to split and sort their Outlook files.

Free PST split
Show Files Structure

Once the PST file is selected, the tool scans it and displays the complete file structure (all the mailbox items) in the left pane. Users need to check the mail items of the selected file which they want to split into smaller parts. Therefore Outlook File Splitter makes the complete split Outlook PST file process a facile and easy task.

Break PST files
Secure new PST with Password Protection

Every user's first concern is security. Outlook Split tool supports password protection to the new PST files. Now the users can protect their new output PST files, created after the PST splitting by applying a new password. You just need to choose the type of encryption from the different options, which you want to apply on new Outlook PST file.

Attach PST
Attaches PST to Outlook

This integral feature of MS Outlook Splitter enables the users to attach the new generated PST files directly to their MS Outlook profile. This option helps users to save all their truncated PST files in their MS Outlook Profile with ease.

Outlook Split
Saves Output at Defined Location

Through PST File Splitter, it is possible for the users to save the truncated PST files to any desired location. Also, if necessary, users can create a new folder directly from the preview pane and save the files into it.

User Friendly PST Splitter
Intuitive Application

Software does not require any efforts or technical skill to split large PST files. Free PST Splitter is an easy-to-use application that only requires user’s couple of seconds to split huge PST file. The tool offers the desired results in just a few simple steps.

Safe PST split
Perform safe and secure with file encryption

Outlook PST Split tool allows users to encrypt their new PST files, as this tool provides an option of encryption to the new PST files. Users can also select the encryption type such as: compressible encryption, best encryption or no encryption as per their convenience and need.

User Friendly
Widely Supportable

Software provides wide supportability which includes all major versions of Microsoft Outlook and all popular Microsoft Windows operating systems including Win 10.


Important Note: This software doesn't support corrupt PST files. If PST file is corrupt then use PST Repair software


PST Split tool provides different options for splitting PST file:

  • Split PST File by Size: Select this option to split PST file by size. If you want to use this option, you just need to enter a file size. For e.g. if the size of your PST file is 2 GB, you can enter 200 MB to split PST file into 10 parts (200 MB each).
  • Split PST File by Date: Select this option to split PST file by date. If you want to use this option, you just need to select a predefined time period or you can define time period(s) manually. If you want to define time period manually, you can select multiple dates in the calendar.
  • Split PST File by Sender Email ID: Select this option to split PST file by senders’ email IDs. If you want to use this option, you just need to check the sender email IDs from which you’ve received email messages and you can want to save them into a single file.

Two other options are also available in the tool to split large Size PST files :


  • Create single PST file for selected folders: Once you select the PST file for splitting, software will show you a tree-structure preview of your mailbox folders. You can select the mailbox folders which you want to save into a single PST file. For e.g. if you’re having 9 mailbox folders, you can save first 3 in 1st PST file, next 3 in 2nd PST file, and the rest 3 in 3rd PST file.
  • Create separate PST file for every selected folder: You can use this option to create separate PST file for every selected folder. For e.g. if you have selected 9 mailbox folders, 9 PST files will be created containing your mailbox content. Inbox.pst will contain only the email messages which were stored in your Inbox folder.

Frequently Asked Questions

Comparision of Trial & Full Version

Product Features Free Version Full Version
Splits large-sized Outlook PST file into multiple smaller parts in a safe manner check mark check mark
Provides multiple options for splitting PST file check mark check mark
Allows user to password-protect the output PST files check mark check mark
Save Splitting Files 25 Emails All
24*7 Tech Support & secure 100% check mark check mark
Price FREE $59
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Clients Reviews

"Outlook data file with large size can slow down the performance of the email. Same happened with me as I was experiencing slow performance in my Outlook. So, I got SysInfoTools Split PST application and you know what I successfully managed to split large size PST files in just few seconds. "

- Ella Chavez

"I was in dire need of a genuine tool that can do wonders to my PST file management in a lot of different ways. Then I got SysInfoTools PST Split, I think this one is a bit different from others in the market with being precisely tuned for multiple functions of dividing PST file. Thanks for making such good tool."

- Kristi Lamb

"The best part of the PST Split software according to me is its software interface as being a complete new to technical aspect of this software I could use it easily. All the credit goes to developers of this Outlook Splitter tool as they have done great job considering the needs of first time users."

- Sara Clark

" Most of the time, I had to transfer my Outlook data files over network and large size of the file posed many problems. Then I used this PST Split tool on the recommendation of one of my friend. I was surprised to see the result too good and fast. Using the SysInfoTools PST split Software was like experiencing the magic.Thanks for devising and developing such software."

- Luz Gibbs