Try this IMAP to Office 365 converter tool This IMAP to Office 365 migration tool allows users to move mailboxes from any IMAP server to Office 365. A user just needs to enter the desired server details in the source and credentials of Office 365 in the destination field. It will automatically load all folders present in the source IMAP Mailboxes to Office 365. The software supports major IMAP Compliant or IMAP enabled email server like : Gmail, Zoho, Yahoo, AOL, Amazon AWS WorkMail, etc.

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