Best Regain PST to Office365 Migration Alternatives ranked by AI · updated Aug 2026

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Regain PST to Office 365 Migration is a Windows utility for importing Outlook PST mailbox data into Microsoft 365 and Office 365 accounts. It supports selective migration of email, contacts, calendars, tasks, and other mailbox items, with filtering options for administrators and technicians.

Developer: Regain Software Price: Free trial; paid license pricing varies 🎯 regainsoftware.com/pst-to-office365-migration.html

💻 Windows Office 365 📤 Email Migration data recovery pst migration

Top 6 Regain PST to Office365 Migration alternatives

Kernel for PST to Office 365

Kernel Data Recovery

💡 Pick it for larger, administrator-managed migrations with stronger reporting and mailbox mapping.

Kernel for PST to Office 365 is a Windows-based utility for migrating Outlook mailbox data from PST files to Microsoft 365. It...

Pros

Supports direct PST migration to Microsoft 365 mailboxes
Provides batch processing and selective data filtering
Useful when PST files need repair or inspection before migration

Cons

Windows-only deployment limits platform flexibility
Higher entry price than some lightweight PST converters
Interface and licensing are less streamlined than cloud migration services

From $99

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Stellar Migrator for Outlook

Stellar Information Technology

💡 Choose it when PST repair, recovery, and Microsoft 365 migration are needed in one Windows workflow.

Stellar Migrator for Outlook transfers Outlook PST data to Microsoft 365 accounts and can process large or damaged PST files. It is...

Pros

Strong handling of oversized or corrupted PST files
Supports selective migration of mailbox folders and date ranges
Provides previews before data is exported

Cons

More expensive than simple PST import utilities
Windows desktop installation is required
Less suitable than MigrationWiz for coordinated multi-project cloud migrations

From $99

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SysTools PST to Office 365 Migration Tool

SysTools

💡 Pick it for incremental PST imports where duplicate prevention and detailed filtering matter.

SysTools PST to Office 365 Migration Tool is desktop software for importing Outlook PST files into Microsoft 365 mailboxes. It is aimed...

Pros

Often more affordable than enterprise migration platforms
Provides PST filtering and batch-import features
Focused workflow for Microsoft 365 administrators

Cons

Narrower destination support than Transend or MigrationWiz
Requires local installation and administrative setup
Licensing and feature limits vary by edition

From $49

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BitRecover PST to Office 365 Migration Wizard

BitRecover

💡 Choose it for a simpler technician-oriented PST migration workflow across small or medium-sized jobs.

BitRecover PST to Office 365 Migration Wizard is a Windows utility for importing Outlook PST files into Microsoft 365 mailboxes. It is...

Pros

Supports selective folder migration and mailbox targeting
Provides a straightforward desktop alternative for small projects
Can process multiple PST files in a single workflow

Cons

Not as strong as MigrationWiz for centralized enterprise reporting
Windows-only and dependent on local machine performance
Less suitable for complex cross-tenant migration projects

N/A

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Cigati PST to Office 365 Migration Tool

Cigati Solutions

💡 Pick it for a lower-complexity batch migration with mailbox mapping and selective import controls.

Cigati PST to Office 365 Migration Tool is Windows software for moving Outlook PST data into Microsoft 365 mailboxes. It supports selective...

Pros

Provides batch migration and mailbox mapping features
Supports date and folder filters for controlled imports
Covers common Outlook item types including email, contacts, and calendars

Cons

Smaller ecosystem and review base than Stellar or Kernel
Windows-only with manual Microsoft 365 permissions setup
Advanced automation is limited compared with server-side services

Free trial; paid license pricing varies

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Microsoft 365 Import service

Microsoft

💡 Choose it when you want Microsoft's included, administrator-controlled PST import process without third-party licensing.

Microsoft 365 Import service lets administrators bring PST files into Exchange Online mailboxes through Microsoft's compliance and data-import workflows. It is intended...