How to easily migrate Yandex mail to O365 on Mac?
You must be aware of the fact that Yandex is a Webmail and it stores all the emails on its server. It doesn’t store emails in any file format. So, when a person wants to migrate emails from Yandex to any other webmail then he gets into trouble. Mac users usually prefer Office 365 for email communication so the best option to migrate Yandex emails to webmail is Office 365. In this article, you can see the steps to migrate Yandex to Office 365 on Mac with all emails and other mailbox items. You will just have to use a Professional Mac Tool that can be used on any mac PC or laptop and perform the migration.
read more:- https://www.macsonik.com/blog/migrate-yandex-to-office-365-mac/

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Axel Meyer commented
The Mailvita IMAP to IMAP Migration Tool makes it easy to move Yandex Mail to Office 365. This software works with Mac and makes it easy to move emails across IMAP-enabled accounts like Yandex and O365. Simply type in the login information for both mailboxes, select the folders you want to move, and begin the migration. It keeps attachments and the folder structure the same, making the switch easy and error-free without the need for any complicated settings. Great for Mac users who want to move their email without any problems.
Read More: https://www.mailvita.com/imap-to-imap/