I would like to suggest using eSoftTools IMAP Backup and Migration software to easily migrate/import IMAP emails to Outlook accounts. Because this application can Migrate or Import all email data from IMAP to Outlook, Webmail, Zoho Mail, Gmail, Office 365, Yahoo Mail, AOL, and many more formats. And it can easily operated by all technical and non-technical users.
Read More:- Move IMAP Emails to Outlook.com account.