SysTools Split PST is a software tool designed to split large PST files into smaller parts to manage Outlook data efficiently.
Best Aryson Outlook PST Splitter Alternatives ranked by AI · updated Aug 2026
Aryson Outlook PST Splitter separates oversized PST files by size, date, year, folder, or email address. It serves Outlook users and administrators who need smaller archives while retaining the original mailbox hierarchy.
Top 6 Aryson Outlook PST Splitter alternatives
Cigati Outlook PST Splitter divides oversized Outlook PST files into smaller files using size, date, folder, email ID, or year-based criteria. It...
Pros
- Supports multiple splitting criteria beyond file size
- Designed specifically for Outlook PST files
- Can process large PST files without requiring Outlook to be installed
Cons
- Less established than Stellar or SysTools
- Advanced automation and enterprise administration features are limited
- Windows-focused with no native macOS version
Stellar Splitter for Outlook is a tool that helps in splitting large PST files into smaller, manageable parts.
Pros
- Simple and user-friendly interface
- Preserves folder hierarchy
Cons
- Paid software
- May not support very large PST files
Starting from $39.99
4
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
5
Kernel for Outlook PST Split
Kernel Data Recovery
Kernel for Outlook PST Split breaks oversized PST files into smaller files according to size, date, or folder-related rules. It is designed...
Pros
- Supports common size-, date-, and folder-based split operations
- Comes from a vendor with established Outlook migration and recovery tools
- Can be useful for administrators handling multiple mailbox files
Cons
- Commercial licensing can be less attractive for one-off personal use
- The interface is less streamlined than newer PST utilities
- Feature availability may vary by license tier
6
DataVare Outlook PST Splitter
DataVare Software
DataVare Outlook PST Splitter divides large Outlook PST files into smaller archives using size, date, year, folder, or email-based rules. It is...
Pros
- Covers the main splitting criteria used in Outlook archive management
- Dedicated scope keeps the workflow narrower than migration suites
- Can help manage PST files that approach Outlook size limits
Cons
- Smaller vendor ecosystem than Stellar, SysTools, or Kernel
- Limited published information about enterprise deployment
- Advanced Outlook item validation may be needed after splitting
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