SysTools IMAP Migration Tool

Choose SysTools IMAP Migrator because:

Universal Routing & Connections

• Any-to-Any IMAP: Supports migration between any two IMAP-enabled servers, regardless of the host (Gmail, Office 365, Yahoo, Zoho, iCloud, or custom on-premise servers).
• Local Processing: Runs entirely locally, ensuring zero-knowledge security without caching emails on third-party cloud servers.
• Pre-Migration Validation: Automatically authenticates user credentials and server permissions before a job starts to prevent mid-transfer failures.

Bulk & Concurrent Processing

• CSV User Mapping: Allows administrators to upload a CSV template to map source and destination user accounts for large-scale, bulk migrations.
• Concurrent Migration: Processes multiple user mailboxes simultaneously rather than sequentially, drastically reducing total project time.
• VIP Prioritization: Includes a "Star" feature to prioritize specific high-level accounts (like a CEO or IT Admin) to ensure they migrate first.

Precision & Filtering

• Delta Migration: For subsequent runs, it identifies and transfers only the newly arrived emails, preventing data duplication without requiring a full restart.
• Selective Data Filters: Includes a Date-Filter to isolate specific timeframes and the ability to select or exclude specific folders (e.g., moving "Inbox" but skipping "Spam" or "Junk").
• Dynamic Credential Updates: If a user changes an app password mid-migration, it can be updated in the dashboard without killing the active job.

Data Integrity & Reporting

• 1:1 Replication: Preserves the original folder hierarchy exactly as it was on the source server.
• Metadata Retention: Maintains all email metadata, including attachments, timestamps, and read/unread status.
• Retry Failed Items: If network drops cause specific items to fail, this mode processes only the missed data rather than re-running the whole mailbox.
• Detailed Analytics: Generates both summary and detailed CSV reports upon completion to verify the exact mail count and status of the transfer.

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Get your Copy From Microsoft Marketplace: https://marketplace.microsoft.com/en-us/product/saas/systoolssoftwareprivatelimited1632140387066.imap-migration-tool?tab=overview