Action: Import your contacts and calendar to Office 365 An IMAP mailbox migration doesn't migrate contacts and calendar items ...

Action: Import your contacts and calendar to Office 365  An IMAP mailbox migration doesn't migrate contacts and calendar items to Office 365. If your IMAP users have Outlook as a mail client, they can export contacts and calendars to a PST file. They can then import the file to the version of Outlook they use in Office 365.