Try eSoftTools IMAP Backup & Migration program to save IMAP emails to MBOX file with simple steps, user does not need any special skills to execute this utility, this software is capable to migrate and backup emails of IMAP based applications including- Gmail, Office 365 Outlook.com, Zoho, Live.com. And this software is available (up to Windows 11).

Main link- https://www.esofttools.com/imap-backup- … -tool.html

Read more- https://www.esofttools.com/blog/export- … r-to-mbox/