If you find the solution to import IMAP OST File account data into Microsoft Outlook 2016, you can try the eSoftTools OST Recovery tool. This tool migrates all email data: email message, notes, journal, task, calendar, appointment and other items into Office 365, MSG, PST, vCard, HTML,Zimbra, Gmail, EML, EMLX, vCard, ICS, MBOX ,etc.It is 100% tested from anti-virus and online scanners. you can download the trial demo version of this tool and convert the OST file into Microsoft Outlook 2016 first 25 in each folder.
Read More:- Import IMAP OST File account data
