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How to Migrate IMAP Email to Office 365 Step by Step?

Published By Chirag Arora
Approved By Anuraag Singh
Published On December 19th, 2023
Reading Time 7 Minutes Reading

IMAP (Internet Message Access Protocol) is the basic protocol in modern days for setting up sharing and receiving email. People who use IMAP-enabled applications wonder how to migrate IMAP email to Office 365 and other formats on Mac OS. Well, your search ends here as we will show you the best available solution to meet your requirements.

Earlier, before moving further we have to face a user query to get a better understanding of the whole scenario.

User Query – “My name is Richard. I am currently working on Mac OS. The problem is that I want to migrate all the important IMAP email data of the mailbox to my Office 365 but couldn’t find any surest solution for this issue. Please suggest me with a quick solution to resolve the issue.

Migrate IMAP to Office 365 – Most Recommended

For the best IMAP to Microsoft 365 migration, we have come up with a reliable and trusted solution. Using this you all will be glad to for a direct way to do this process. So, for this, you must try the Safest IMAP Email Migration Tool, which is compatible with all Mac versions.

Moreover, this application is equipped with so many wonderful features which makes it a peculiar choice to the users for a safe migration. In the below section, we have mentioned some of the features in brief that this tool offers to transfer emails from IMAP to O365 on Mac OS.

Practical Features to Migrate IMAP Email to Office 365

  • Supports all the IMAP-enabled email providers for both source and target accounts to migrate.
  • Moreover, this software offers an option to skip previously migrated emails from IMAP to Office 365 accounts to prevent duplicates.
  • This application is compatible with all the Mac OS versions be it newer or older for migrating IMAP mailbox to Office 365. That includes Mac OS 13.0, 12.0, and all the earlier versions.
  • Advanced filters like date filters and selective folder options to migrate IMAP email to Office 365 are incorporated in the tool.
  • Users can even remove the mapped account if there is some human error or other circumstances.

Guide for How to Migrate IMAP to Office 365

Download the software on any version of a Mac machine for migrating IMAP mailbox to Microsoft 365. After this, follow the given guideline –

  • A few prerequisites are there to keep in mind before starting the migration, then just tap Continue to begin the process.

download the tool

  • Now, select any IMAP account from the list as a Host Name and provide the User Name and Password then validate it.

select host name

  • For the Destination IMAP Account, select Office 365, for the same, enter the required User Name and Password for account validation.

select the destination

  • After validation, tap on the Add option to map both source and destination accounts for a smooth migration.

add imap account

  • Thereafter, click on the Advance Settings before the migration process and provide a date range for selective migration.

select date filters

  • Hit the Start Migration option for a safe and secure IMAP to O365 migration with multiple mailbox emails with attachments.

click on start Migration option

Migrate IMAP Email to Office 365 Manually

To complete the IMAP migration, follow the below steps:

  1. Add your custom domain to Microsoft Office 365. then to go the  Microsoft 365 admin center >> Settings >> Domains >> click Add domain.
  2. Next in your Office 365 create all mailboxes to match the source of the IMAP server.
  3. After that in Exchange Admin Center >> Migration >> Endpoint.
  4. To add your IMAP migration endpoint click on  Select the migration type >> enter IMAP >> IMAP Server and >> Create.
  5. Completing the endpoint process get back in Migration batches >> Add migration batch.
  6. Now you need to choose IMAP as the migration type, add an endpoint created in step 4, and upload the CSV file with the listed users (mentioned Before the migration starts).

After the migrate IMAP to Office 365 follow more steps to complete the process:

  1. IMAP to Microsoft Office 365 migration only supports emails, here you need to recreate the contacts, tasks, calendar items, and other mailboxes manually.
  2. Once all the steps are done you need to update the DNS record to point to Office 365 (not to the source server).

Challenges While Configuring IMAP Manually

There are multiple challenges or drawbacks you will face while using the manual procedure for this task, like-

  • Improper IMAP configuration might block your access and can cause hurdles to migrate IMAP email to Office 365.
  • This manual method is quite a tricky process for non-tech and novice users.
  • Moreover, if somehow you fail to configure the IMAP to Microsoft 365 for the first time, then it will be a tedious process.
  • Authentication issues might arise during the ongoing process due to technical errors.
  • There is no measure for the transfer of IMAP contacts, calendar items, or tasks.
  • Fixed-size limitation for downloading of embedded IMAP email attachments on Mac system.

Common Questions Asked by Users

Q- How do I migrate from IMAP to Microsoft 365 quickly?

Quickly migrate IMAP email to Office 365:

  1. Download the tool on a Mac computer.
  2. Select any IMAP source account, and validate it.
  3. Pick Office 365 as a destination, and validate it.
  4. Hit Start Migration to begin the quick migration.

Q- Which tool migrates IMAP to an Office 365 account safely?

For the safest and most secure migration, MacWareTools IMAP Migration Tool allows users to migrate emails from different IMAP-enabled email servers. This includes Gmail, iCloud, Rackspace, AOL Mail, Yahoo Mail, Hotmail, etc. You just need to enter the details in the Source and Target fields after selecting the accounts, validate them, and finally compete how to migrate IMAP to Office 365 process.

Q- Why migrate email to the Microsoft 365 platform?

Migrating or moving email from different accounts to Office 365 is great because, with Office 365, you can easily access your email and other data from anywhere and at any time. Because it provides 365 days of service to its users. In addition, cloud hosting enables instant access to all mail, files, and apps.

Q- What are the benefits of migrating email to Microsoft 365?

Most importantly, your business remains protected. Microsoft 365 facilitates its users with many security features that ensure that their business will remain secure in the cloud. Plus, all O365 apps are accessed through SSL/TSL encryption so no one can intercept files without authorization. Along with this, mail, files, and other applications can be accessed due to cloud hosting.


Here, you will find the answer to the query of how to migrate IMAP email to Office 365 on Mac. For your information, we have shown the challenges that you might while performing IMAP to Office 365 migration manually. This method has complications and is not easy for non-tech users. So, if you are in search of a direct solution to this query on your Mac machine, you can go for a professional solution. Moreover, you can download the free version to experience the functionality of this utility.

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