If you want to migrate IMAP emails to office 365 but you don't know the best way to do it. So I suggest you one of the best tools eSoftTools IMAP backup Tool. This tool has smart features to export entire or selective mail folders from IMAP server to office 365. This tool works with all editions of windows O/S including win- 11,10,8,8.1,7, XP, vista etc.

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