EdbMails IMAP Migration Tool vs Stellar Migrator for Exchange

EdbMails IMAP Migration Tool moves email and folders between IMAP servers, and supports transfers from IMAP to Office 365, Exchange Server or PST, as well as PST to IMAP. The Windows software lists providers including Gmail, GoDaddy, Rackspace, Zoho, Zimbra, IceWarp, cPanel, Yahoo Mail and Outlook.com. Users can choose folders and subfolders and filter mail by date, sender, attachments and AND/OR conditions. The maker says it preserves metadata, headers, folder structure, formatting and language encoding. Multiple mailboxes can be loaded from CSV, and separate installations can run migrations in parallel. Outlook is not required for IMAP-to-IMAP migration or Exchange-to-Office 365 moves. The maker says data and credentials are not stored on its servers and lists OAuth 2.0, TLS, AES 256-bit encryption for locally stored incremental-migration metadata and MFA support. A free trial is available, limited to 30 items from each folder. One-time plans cost 200.00 USD for 100 mailboxes, 299.00 USD for 1000 mailboxes, or 499.00 USD for unlimited mailboxes.

Stellar Migrator for Exchange moves mailboxes among Exchange Server and Microsoft 365 environments, including transfers between Microsoft 365 tenants. It supports primary, shared, and archive mailboxes as well as public folders, and can run cutover, staged, or hybrid migrations all at once or in batches. Delta migration transfers new or changed data after an initial move. Up to 10 mailboxes and their items can be migrated simultaneously. Users can match mailboxes automatically or map them manually, including with a CSV file, select folders such as email, contacts, calendars, tasks, notes, and journals, and filter mail by date range. Failed or incomplete migrations can be rerun, with automatic retries set from 1 to 5 attempts. It runs on Windows and requires at least 8 GB of memory. The free trial covers 2 mailboxes and includes all migration capabilities; Mailbox Pricing is $250, paid once, billed $10 Per Mailbox, with quantity selected on the page and one license per source mailbox.