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BitRecover®
PST Splitter Tool

Trusted by IT professionals to easily split large PST files into smaller parts without data loss. Overcome 50GB Unicode and 2GB ANSI size limits to fix Outlook slowdown, crashes, and corruption issues.

  • Split large PST files into 2 GB, 5GB, 10GB, 50GB, or custom sizes without Outlook.
  • Auto locate & add PST files from deeply nested folders using Recursive Discovery.
  • Split orphaned, damaged, ANSI, and Unicode PST files from all Outlook versions.
  • Add and split multiple PST files into healthy PST format with data integrity & accuracy.
  • Works with Windows 11, Windows Server 2025, and all earlier versions.
dual options for adding pst files

Dual Options for Adding Outlook PST Files

PST file splitter tool provides two different options to add Outlook PST files in software panel. You can use any of them according to your need and situation for adding configured Outlook PST or Orphaned PST files.

Add Configured Outlook PST File(s)

Use “Add configured Outlook mailbox data” option which gives permission to add Outlook PST (Personal Storage Table) file in software automatically from default storage location.

Add Orphan Outlook PST File(s)

Use “Let me select my Outlook mailbox data” option which allows to add orphaned PST files in the software GUI. Choose Select Files or Select Folder option according to your preferences to add multiple PST files for splitting.

divide large pst file using advance settings

Divide Large PST File Using Advance Settings

PST File Splitter Software also comes with various advance settings that make it extra advance software. These settings are much helpful for users for doing multiple operations to split large PST files.

Separate PST Per User

If you have added multiple PST files in software panel for completing the split PST process. Then you can select “Separate PST Per User” option so that software will generate separate resultant PST files for source PST's.

Export Only Selected Outlook Items

PST Split Tool allows to select required items from source PST files according to the choice of users. Users can select from Mails, Calendars, and Contacts.

Create Error Log

Select Create Error Log option so that software will provide you information about if any items failed for splitting with a specific reason.

Accurate PST Splitter to Easily Break PST Files

Easily Divide PST Files Based on Folders, Date Range, Size, Email Addresses, etc.

split and extract pst folders as separate files

Split and Extract PST Folders as Separate PST Files

This Outlook PST File Splitter Software is equipped with the functionality to divide source Outlook data files based on folders. Users can now easily divide and save PST files into a smaller folder-level segment. For example, if your PST file contains Inbox, Sent, Drafts, and Outbox folders, you can save each folder as a separate PST file. This powerful option in the tool is helpful for users who are looking to archive or share a specific part of Outlook data file.

split and extract selected folder as single PST

Split and Extract Selected PST Folders as a Single PST File

If you are handling multiple oversized PST files and need to store specific folders from multiple PST files as a single PST, this functionality is for you. Using this specific feature, you may extract folders from multiple Outlook data files and store them as a single PST. Suppose you need to archive a PST file inbox folder for 10 ex-employees as a single PST for data compliance, then using this functionality, you can easily complete your task.

split PST on date range basis

Split PST Files Based on Date Range of PST Items

Users finding tool to divide Outlook data based on a date range, then you may easily do so using the date range settings of the PST splitter. The date range filter is helpful for users looking to divide and manage PST data on a weekly, monthly, or yearly basis. This feature is especially useful to archive Outlook emails and extract emails for legal and compliance requirements. To use this setting, users simply need to enter the data range and split PST files accordingly.

divide PST on split by size filter

Divide PST File by Applying Split by Size Filter Settings

This is the most common and helpful functionality of the tool for users facing Outlook errors due to oversized PST files. This setting of the PST splitter tool allows users to split the oversized PST files into 2, 5, 10, or 20 GB separate PST files. This functionality helps users to overcome oversized PST file limitations and improves overall Classic Outlook performance by reducing file load. Additionally, for advanced requirements, this setting can also be used simultaneously with all other filter options.

split outlook pst file by to, from email ids

Cut PST Files via Senders and Receivers Email Address

To handle communication data for auditing, reporting and investigation purposes, this functionality is built by BitRecover. This setting of the PST splitter tool is helpful to extract and store communication data based on senders' and receivers' email addresses. Users can use these split PST settings to extract and store communication data based on departments, clients and individuals.

split by keyword available in subject

Split Outlook PST Files Based on Keywords Present in the Subject

The subject-based setting of the PST splitter software allows users to divide PST files and extract emails based on keyword filters available in the subject line. This functionality makes the process of extracting specific email communications easy without navigating through the large PST file. Users only need to navigate to the split options section and enable the Subject filter options.

split both ansi or unicode pst file

Split Both ANSI or UNICODE PST File

This software allows you to split both ANSI and UNICODE PST files. The need to split ANSI PST arises, when the size of PST file grow and reach near the limit of 2 GB. So, if you want to split your Outlook PST file without any file size limitation, use PST File Split Tool.

choose a desired path

Save Divided PST File to a Desired Path

Users have the complete freedom to save divided Outlook PST file at required choice destination location. With the help of this feature, users can easily manage or store their output PST files. You can also create a new folder directly to store divided PST files.

What PST Items Can Be Split?

Divide the Complete Data Elements Using Outlook PST Splitter Tool

emails
Emails

contacts
Contacts

calendars
Calendars

tasks
Tasks

notes
Notes

journals
Journals

Use of Outlook PST Splitter Tool

Understand When Users Prefer to Divide Large PST Files

avoid outlook corruption

To Avoid Microsoft Outlook Corruption

An oversize PST file becomes the reason for Outlook corruption as Outlook versions have maximum PST size limitations. So, if IT Administrators see that their PST file is near to exceeding the maximum size limit. Then PST splitter comes in role to break oversized PST files into multiple smaller parts to prevent PST file corruption issues.

improve outlook performance

To Improve Slow Outlook Performance

When your Outlook PST file becomes too big, Outlook starts to slow down and it takes longer to open, search, or send emails. To fix this, most people like to reduce the PST file size by splitting it into smaller parts or separating old emails from new ones.

split pst files without outlook

To Manage PST Files Without Outlook

Sometimes Outlook Administrators want to manage PST Outlook PST files as per their requirement. BitRecover PST File Splitter is the perfect choice to split PST file into smaller parts without Outlook. It allows users to split resultant PST file into specific size such as 2 GB, 5 GB, 10 GB and 20 GB.

PST File Splitter Vs Manual Efforts

Know The Difference Between Pro and Manual Tricks

Pro Software

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Microsoft PST splitter tool is workable with or without Outlook installation.

best tool

Support to Split Multiple PST Files At Once.

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PST splitter software provides several filters to split large Outlook PST file.

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This splitter for PST is supportable with both ANSI and Unicode files.

full version reviews

All home and business users can rely on this tool without passing from any restrictions.

Manual Tricks

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MS Outlook installation is mandatory to divide PST file into smaller parts.

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Users can only break single Outlook PST files at once.

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Manually you can only select folder to divide PST file as needed.

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PST file should be supportable with your Outlook version to perform it manually.

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Non-Technical or beginners may face issues or need technical expert to split oversize PST files.

Why Choose BitRecover PST Splitter Software?

Major Reasons to Divide Large PST Files Using the Expert Tool

all ms outlook compatibility

All MS Outlook Compatibility

Many users switch from an older Outlook version to a newer one. This PST Splitter Software can work with all versions of ANSI or UNICODE PST files while exported from any version of Outlook 2021, 2019, 2016, 2013, 2010, 2007, 2003 or any older version. This tool specially designed to manage size of all types of PST file without facing any single compatibility issues.

split large pst files

Split Large PST Files

If you use Outlook to break a PST file, the chances of data corruption are higher. Now, you can break large PST files into smaller parts to reduce PST file corruption issues. It can effectively manage the PST file size as needed such as 2 GB, 5 GB, 10 GB, and 20 GB as required.

view pst folder

View PST Folder

The software shows you the mailbox folder name and item count to verify before breaking the PST file into smaller parts. This tool doesn't require Outlook installation to clarify the folder name. You can easily verify with the folder name, email.pst, and can start split PST file using multiple filters.

split and extract required items

Split and Extract Required Items

Often, users want to split or extract only required items from Outlook PST files. This PST Split Tool is authorized to check or uncheck only necessary folders of PST file. So, users can easily split and extract emails, contacts, calendars, task, notes, and journals from Outlook PST files. It can even split OST files as well.

How to Split PST Files without Outlook Installation?

Watch Live Video Tutorial to Truncate Oversized PST File

Why BitRecover is Accurate Than Other PST Splitter's

Advanced Internal Mechanisms that Ensure Safe and High-Performance PST File Splitting.

fast PST splitter software
Fast Large PST File Processing

Unlike generic PST splitter tools that throw an incompatible error when adding PST files of 100 GB or beyond. The BitRecover tool to split PST files can handle large PST files without degrading the performance of the software. By directly decoding and interacting with the PST file structure, this software can run efficiently even on systems with low specs. This advanced architecture of the software is beneficial for enterprise users handling a massive number of PST files for splitting.

reliable PST splitter
Error-Free PST Splitting

The tool thoroughly examines, rebuilds, and remaps the internal structure of each PST file before splitting it. This ensures that each new PST file created is completely secure, accurate, & easily accessible by any Outlook version, including New Outlook. This invisible functionality makes this PST Splitter tool a prime choice for users. BitRecover tool to split PST files not only keeps data safe but also eliminates risk of corruption that is common with manual splitting methods.

split damaged Outlook data file
Split Corrupted PST Files

BitRecover PST splitter tool is equipped with the Recovery Mode technology to split damaged PST files into healthy PST files. The software identifies and rebuilds damaged B-Tree Nodes during PST splitting process and rebuilds the fresh and usable PST files. By reading bit by bit offset of corrupt PST file binary structure, the tool provides successful PST splitting for damaged ones as well. This functionality is highly beneficial for IT professionals handling damaged PST files.

split protected Outlook data file

Split Locked PST Files

To ensure uninterrupted PST splitting, the BitRecover Wizard is equipped with the advanced functionality to process password-protected PST files. Our software processes password-protected PST files securely. This approach helps users to independently split large PST files without manual PST password interruption. This hidden functionality of the PST splitter allows users to seamlessly divide large Outlook data files into healthy and usable PST files.

keep email properties intact

Preserves All Email Properties, Metadata & Timestamps

Another internal functionality of the tool that preserves all email properties, metadata and timestamps during splitting is MAPI properties mapping. When splitting up the PST files, the tool's internal validation engine cross-checks and verifies all Outlook MAPI properties. This functionality results in a healthy, accurate and metadata-integrated output PST files after completing the PST file splitting process.

preserve email threads

Keeps PST Email Threads Intact

The BitRecover PST Splitter software uses a smart algorithm. It deeply analyzes the source and newly created PST files. This functionality ensures no partial PST splitting is done. If your PST has large email threads, it detects them. The tool confirms such emails are not split across files. Apart from data integrity, the tool ensures that the complete email thread is integrated into a single PST file. This smart ability of the software results in reliable and error-free PST file splitting.

quick PST scanning

Quick PST File Scanning

The BitRecover Wizard for PST splitting is designed with a file structure scanning mechanism that works directly at PST structure without relying on Outlook. Due to this functionality, the tool scans each PST node's folder and subfolders along with its folder hierarchy and item count. Users, by referencing the PST item count and folder hierarchy, can make informed decisions before starting the PST splitting process.

auto .pst detection

Detects All PST Files Automatically

One other helpful ability of the tool is the selection level filter. When users select to add PST files from their desktop storage, the tool applies the .pst extension filter to identify only the relevant ones. At this point of selection, if users choose the root directory to add PST files scattered in multiple folders. The software automatically analyzes all folders and subfolders to extract the PST files and add them for splitting process.

no size limits

PST Splitter without Size Limits

Our tool to split PST files is built with PST structure scanning and splitting technology. Unlike manual Outlook configuration methods that rely on the MaxLargeItemID registry parameter, this tool operates independently. There are no file size or .pst file number limits in the software. This means users can process multiple large PST files for the splitting process. This is the reason that makes this wizard an extremely reliable solution to split oversized PST files.

Outlook independent tool

Standalone PST Splitter Tool

This highly smart tool to divide oversized PST files can work independently without requiring Outlook installation. It works directly by scanning the PST file hex level structure and does not depend on Outlook MAPI properties. Due to this ability to work directly on PST file structure, this tool can split oversized or corrupted PST files without relying on Outlook installation.

Split PST Software – System Specification

Know Minimum System Requirements to Install This Software

Software Download

File Size: 5.27 MB

Version: 6.0

Trial Limitations

Download PST splitter tool Free for evaluating the software's efficiency and to split 25 items from each PST folder.

System Specifications

Hard Disk Space
50 MB of free hard disk space

RAM
Minimum 2 GB RAM

Processor
Intel® Pentium 1 GHz processor (2.4 GHz is recommended)

Supported Editions

Microsoft Windows – Windows OS 11 (64 bit), 10, 8, 7 (32 bit or 64 bit) & Windows Server 2022, 2019, 2016, 2012 R2, 2008, etc.

PST Files – Outlook 2021, 2019, 2016, 2013, 2010, 2007, 2003, 2002, 2000, 98, and 97.

Electronic Delivery

PST splitter wizard will be delivered automatically. After your payment is confirmed, you will receive an email with a link to download the product and the activation key.

Trial vs Full Version Comparison

Feature Comparison of PST File Splitter Tool - DEMO and Free Version
  •  
  • Dual options to add PST files
  • Multiple advanced filters
  • Select specific PST folders
  • Browse destination path
  • Creates log report
  • Divide large PST files
  • Price
  • Free
  • 25 items/folder
  • Free
  •  Download
  • Most Popular
    Pro
  • All items
  • $39
  •  Buy

Frequently Asked Questions

Know What Users Ask about PST Splitter Software

Verified steps to split PST file using BitRecover PST splitter tool:

  • Step-1: Start PST Splitter Wizard on your machine.
  • Step-2: Add Outlook PST file in software window.
  • Step-3: Select necessary folders and press Next button.
  • Step-4: Use Advanced Settings according to need of split.
  • Step-5: Browse destination path and click on Split button.

Yes, tool first automatically unlock PST files and then split large PST files that are password protected.

You can use the Advance Settings for Filter Saving option from the PST splitter software. With this feature you can manage the date range and find the missing folders easily.

Yes of course! PST file splitter has been extensively designed to split all email items that are associated with PST files such as emails, contacts, calendars, tasks, notes, email folders like inbox, sent items, personal folders, spam, etc.

Yes, the recovery mode option of this tool permits to split even corrupted or inaccessible PST items.

No, Outlook installation is not required for this tool for splitting PST file properly.

Yes, this software provides the free demo version facility by which you can easily understand the working and functionality.

Yes, with this software, you can easily break selective PST files as per your requirement.

This software works very frequently. It takes very less time to split Outlook PST data.

No, there is no file size limitation. You can easily split PST file of any size.

What Do Customers Say?

Read Client Reviews After Using PST Splitter Tool

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