The CloudMailMigration IMAP Backup Tool is a powerful and efficient tool for transferring or backing up IMAP data, allowing you to save emails in more than 10 file formats. It comes with advanced actions like selective backup, email filtering, the ability to extract attachments separately, and so on. DRS IMAP Backup Tool has an easy interface that helps users to migrate emails from IMAP enabled accounts to Office 365, Gmail, G Suite, and more IMAP supported accounts.

In this section, we will learn how to transfer to Office 365 from IMAP:

1. Download and install CloudMailMigration IMAP Backup Tool on your PC, and then click Continue.
2. Select between Single Mode or Batch Mode to transfer accounts, whether you want to transfer one account or more. Enter data as required, such as your email and port number, then click Login.
3. Next, select the folders using the folder tree and click Next.
4. Select Office 365 as the email client to transfer IMAP data to, and authenticate the login of Office 365 with login credentials.
5. Setup other software options if necessary, and then click Start Processing to start the backup. The tool will begin importing your IMAP email account data to an Office 365 account.

Read More: https://www.cloudemailmigration.com/blog/migrate-imap-to-office-365-account/