

How to Migrate Email from POP3 or IMAP to Office 365 using Outlook. * Important Note: Before proceeding below, it is recommended to clean your current mailbox from emails that you do not need to transfer to Office 365, otherwise you may not be able to transfer all your messages to O365, because the email storage limit in Office 365 is 50 GB. This tutorial contains two different methods to transfer all your Outlook email messages from IMAP or a POP3 account to Office 365. For example if you have set up an IMAP or a POP3 account in Outlook mail program and you want to migrate your Email to Office 365, you can follow the instructions below to perform that task. As you may know, when you use the Microsoft Outlook mail program to send and receive your email, you can use it to copy your emails and contacts from one email account to another. If you are planning to change your current email hosting service and you want to transfer all your Outlook email messages from your current IMAP/POP3 account to Office 365, continue reading below.
