Download IMAP to IMAP migration toolDownload IMAP to IMAP migration tool and export emails from one webmail to another webmail account. This software Keep meta properties intact meanwhile the migration. It is a very lightweight program that downloads into your system quickly. The utility is so lightweight that it uploads to your system in less than 5 minutes and allows users to export the data at a fast speed. The software supports all cloud accounts. You can export emails of these clouds to another cloud. This includes Gmail, Yahoo, Office 365, Google Apps, AOL, Hotmail, and several other accounts.
Follow this link :- betavare/cloud-migration-tool/