Others
It exporting emails from IMAP servers to several file formats including PST, MBOX, EML, EMLX, MSG, HTML, and MHTML TrustVare IMAP Backup Software is a portable utility. It supports all Windows OS and MS Outlook versions as well as many IMAP servers.
https://www.trustvare.com/imap-backup/
1833 State Rd - Cuyahoga Falls, OH 44223