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Best SysTools Split PST Software Alternatives ranked by AI · updated Aug 2026

SysTools Split PST Software divides large Outlook PST files by size, date, year, folder, or email address. It is aimed at Outlook users and IT teams that need batch processing, previews, and more control over output files.

Developer: SysTools Price: Free trial; paid license available 🎯 systoolsgroup.com/split-pst
✉️ Email 💾 Data Management PST outlook

Top 6 SysTools Split PST Software alternatives

1 Regain PST Splitter logo

Regain PST Splitter

Regain Software

Regain PST Splitter is a Windows utility for dividing oversized Outlook PST files into smaller files by size, date, folder, or year....

Pros

  • Splits PST files by size, date, folder, or year
  • Supports both ANSI and Unicode PST files
  • Can process PST files without requiring Outlook to be installed

Cons

  • Windows-only, with no native macOS or Linux version
  • Less broadly documented and reviewed than Stellar or SysTools
  • Commercial licensing is less transparent than some competing tools

N/A

Alternatives to Regain PST Splitte... → Visit site
3

Kernel for Outlook PST

Kernel Data Recovery

Kernel for Outlook PST converts or exports Outlook PST mailbox data to formats such as EML, MSG, MBOX, and HTML while also...

Pros

  • Combines PST repair with conversion features
  • Supports exports for several common email clients
  • Provides folder-level selection and mailbox previews

Cons

  • Conversion workflow is less streamlined than BitVare's for healthy files
  • Interface feels dated compared with newer competitors
  • Windows-only

Freemium, paid license required for full export

Alternatives to Kernel for Outlook... → Visit site
4

Cigati PST Splitter

Cigati Solutions

Cigati PST Splitter breaks large Outlook data files into smaller PSTs by size, date, year, or folder. It targets individual Outlook users...

Pros

  • Offers several split modes comparable to Regain
  • Supports both ANSI and Unicode PST files
  • Can preserve folder hierarchy during output

Cons

  • Smaller ecosystem and less independent coverage than Stellar or SysTools
  • Windows-only and dependent on commercial licensing for unrestricted use
  • Trial limits may restrict the amount of data that can be saved

Free trial; paid license available

Alternatives to Cigati PST Splitte... → Visit site
5

Aryson PST Split

Aryson Technologies

Aryson PST Split divides large Outlook PST files into smaller files using size, date, year, or folder-based criteria. It is designed for...

Pros

  • Includes several split criteria and folder-preservation options
  • Works with common ANSI and Unicode PST formats
  • Can be useful for technicians managing multiple Outlook files

Cons

  • Less widely recognized than Stellar, SysTools, or Kernel
  • Windows-only with no native cloud mailbox integration
  • Trial restrictions can limit practical evaluation

Free trial; paid license available

Alternatives to Aryson PST Split → Visit site
6

Advik PST Splitter

Advik Software

Advik PST Splitter separates oversized Outlook PST files into smaller files by size, date, year, or folder. It is aimed at home...

Pros

  • Straightforward workflow for common PST splitting tasks
  • Supports multiple criteria instead of only fixed-size splitting
  • Retains Outlook folder organization in typical export scenarios

Cons

  • Has less enterprise tooling and documentation than SysTools
  • Windows-only and not a direct Microsoft 365 management solution
  • Commercial trial restrictions may limit full-file testing

Free trial; paid license available

Alternatives to Advik PST Splitter → Visit site

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