For a seamless migration of IMAP server data to Office 365, the Mailvita IMAP to IMAP Migration Tool is a dependable option. Any IMAP-enabled mail server can send emails, files, and folders directly to Office 365. No data is lost, and folders are still organized in the way they were sent. The tool lets you choose which folders or full mailboxes to migrate, and it has filters, like date range, that let you move only the emails you need. It works with many IMAP servers, including Gmail, Yahoo, Zoho Mail, and your own. This makes the transfer quick and safe. The software works with all versions of Windows and macOS, and you can try it out for free before you buy it.