I found a solution to your problem with eSoftTools IMAP Backup Software. Migration from IMAP to Outlook.com can indeed be confusing, so having a reliable tool like this can certainly streamline the process. It's always a good idea to check out the free trial or demo before committing to ensure it meets your needs. If you have any questions about using the software or need further assistance, feel free to try the free demo option that helps to migrate IMAP into Outlook.com.
Explore more - Migrate IMAP Into Outlook.com
https://www.esofttools.com/blog/import-imap-email-into-outlook-com/
Explore more - Migrate IMAP Into Outlook.com
https://www.esofttools.com/blog/import-imap-email-into-outlook-com/