I know eSoftTools software is used by many users because of the amazing features and data security all users can trust today I have brought software for you you can upload MBOX files directly to IMAP server using
MBOX Converter Software. This application can be a one time process to import single and bulk files to IMAP. This tool supports email clients including Thunderbird, Opera Mail, SeaMonkey, Spicebird, Poco Mail, Entourage and other items. This software is available for users live perspective email before importing MBOX to IMAP and supports all Windows versions.
visit more:- Upload MBOX to IMAP Server