Aryson PST Merge
File migration software
- Features
- Ease of use
- Ease of management
- Quality of support
- Affordability
- Market presence
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$49 per year
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What is Aryson PST Merge
Aryson PST Merge is a Windows utility for combining multiple Microsoft Outlook PST files into a single PST or consolidating selected folders such as mail, contacts, calendars, and tasks. It is typically used by IT staff, consultants, and individual users during mailbox clean-up, eDiscovery preparation, or pre-migration consolidation work. The tool focuses on local PST processing rather than cloud-to-cloud or tenant-to-tenant migration workflows, and it provides options to include/exclude items and handle duplicates during merges.
Purpose-built PST consolidation
The product is designed specifically to merge Outlook PST files, including common mailbox data types such as emails, contacts, calendars, and tasks. This makes it suitable for PST clean-up and consolidation tasks that often precede broader migration projects. For organizations dealing primarily with PST sprawl, a dedicated PST merge tool can be simpler to operate than broader migration suites. It also supports selective merging by folder, which helps reduce unnecessary data movement.
Duplicate-handling options
The tool includes options intended to manage duplicates during the merge process, which can reduce repeated items when consolidating overlapping PSTs. This is useful when users have multiple exports or archives with similar content. Duplicate controls can also help keep the resulting PST smaller and easier to manage. These features align with common PST consolidation requirements in IT support and consulting engagements.
Offline, local-file workflow
Because it operates on PST files, the tool can be used without connecting to Microsoft 365 or Exchange environments. This can be helpful in restricted networks or when working with exported archives provided for legal, HR, or support cases. Local processing also avoids the need to configure cloud connectors or grant tenant permissions. It fits scenarios where the deliverable is a consolidated PST rather than a migrated mailbox.
Not an end-to-end migration suite
The product focuses on PST merging and does not provide full mailbox migration capabilities such as tenant-to-tenant moves, cross-platform migrations, or automated cutover orchestration. Organizations looking for large-scale, policy-driven migrations typically require broader tooling for discovery, mapping, scheduling, and reporting. As a result, Aryson PST Merge is more of a point solution within a larger migration workflow. Teams may still need additional software for the actual destination migration.
Windows and Outlook-centric use
PST processing is inherently tied to Microsoft Outlook data structures, which limits applicability for non-Outlook archives. This also means the tool is primarily relevant in Windows-based environments where PST handling is common. If an organization standardizes on cloud mailboxes without PST usage, the tool provides limited value. Cross-platform administrators may find the workflow less aligned with their operating model.
Limited enterprise governance features
Compared with broader migration platforms, PST merge utilities typically offer fewer controls for enterprise governance such as role-based access, centralized auditing, and multi-project management. Large teams may need stronger reporting, repeatable automation, and compliance-oriented logging than a desktop utility provides. This can make it harder to standardize at scale across many users or business units. Buyers should validate logging, error handling, and batch processing depth for their volume requirements.
Plan & Pricing
| Plan | Price | Key features & notes |
|---|---|---|
| Single User | $49 | License validity: 1 year; Up to 2 users; Merge/Join PST into new or existing PST; Select item types (Mail, Contacts, Calendar, Tasks, Journals, Notes); Remove duplicate emails; Exclude attachments; Password-protect output PST; Free demo available (25 items per folder). |
| Administrator | $199 | License validity: 3 years; Up to 10 users; All Single User features; Recommended for business/corporate/academic usage. |
| Technician | $299 | License validity: 5 years; Up to 15 users; All Single User features; For commercial/organization/technical usage. |
| Enterprise | $399 | Lifetime license validity; Up to 20 users; All Single User features; For large organizations/commercial use. |
