SysTools Split PST is a software tool designed to split large PST files into smaller parts to manage Outlook data efficiently.
Best DataVare Outlook PST Splitter Alternatives ranked by AI · updated Aug 2026
DataVare Outlook PST Splitter divides large Outlook PST files into smaller archives using size, date, year, folder, or email-based rules. It is aimed at users who need a dedicated utility for reducing PST size and organizing Outlook data.
Top 6 DataVare 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
Aryson Outlook PST Splitter
Aryson Technologies
Aryson Outlook PST Splitter separates oversized PST files by size, date, year, folder, or email address. It serves Outlook users and administrators...
Pros
- Includes multiple ways to divide PST data
- Retains familiar Outlook folder organization in split files
- Useful for both personal archives and technician-managed migrations
Cons
- The free evaluation is limited compared with a full license
- Brand recognition and independent documentation are weaker than Stellar's
- Complex PSTs may need post-split verification
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