Quick Ways to Migrate Office 365 to iCloud Account?

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  • Updated on October 31st, 2025

Summary: It becomes very hectic when you want to move your data from one cloud-based server to another. Plus, if you don’t have the right methodology to perform so. Thus, we will ensure that you will learn step-by-step processes to migrate Office 365 to iCloud. Here we will learn two methods & prerequisites. Firstly, we will discuss the free way for this migration to iCloud. Next, we will dive into the pro MacSonik Office 365 Backup Tool for effortless migration of Office 365 data..

We are orchestrating a complete digital migration from the Microsoft ecosystem to the Apple universe. Our objective is to transfer years of correspondence, contacts, and archives from Office 365 to iCloud with zero data loss. Therefore, we seek a method that is not only technically flawless but also preserves the integrity and chronology of our entire digital history. Plus, the way to transfer Office 365 to iCloud must ensure a smooth and integrated future within the Apple ecosystem.

-Eric Kong Lee,  IT Infrastructure Head

Before moving forward to methods, let’s understand how this O365 to Apple Cloud Storage migration benefits individuals and businesses.

Top Causes to Migrate Office 365 to iCloud

As you have already decided that your data deserves a better horizon. So, let’s dive into the benefits one can get from this migration.

Benefit For Individuals For Businesses
Security End-to-end encryption for personal data Enterprise-grade protection for company data
Integration Seamless sync across all Apple devices Smooth collaboration for Apple-based teams
Cost One plan, fewer subscriptions Reduced licensing fees & IT overhead
Continuity Automatic backups & easy recovery Prevents data loss, ensures operations
Management Simple, intuitive interface Streamlined IT and cloud operations

Prerequisites to Export Office 365 to iCloud

It’s smarter to protect data than to recover it. Thus, it is important to have a checklist before starting the migration. The checklist below will prevent any data loss and errors during the conversion of Office 365 to iCloud.

Office 365 to iCloud Migration Checklist

  1. Prepare
    ☐ Back up all Office 365 data.
    ☐ Confirm iCloud has enough storage.
    ☐ Update all relevant apps on your devices.
  1. Audit & Test
    ☐ Clean up duplicates and old data in Office 365.
    ☐ Do a small test migration first.
  1. Execute Migration
    ☐ Use a trusted migration tool.
    ☐ Ensure a stable internet connection.
    ☐ Monitor for errors during transfer.
  1. Verify & Secure
    ☐ Check that all data is present and correct in iCloud.
    ☐ Re-enable two-factor authentication.
    ☐ Confirm folder structures are intact.

How to Migrate Office 365 to iCloud Easily?

The true migration is not only about moving data, it’s about migrating the data safely, securely, and without compromise. Thus, here we will cover two ways to do this secure data migration

  1. Free- Drag & Drop Method
  2. Pro – Office 365 Backup Tool Way

Free Way to Migrate Emails from Office 365 to iCloud

The core technique involves a strategic drag-and-drop operation between two synchronized accounts.

Step 1: Integrate Your Microsoft 365 Account

First, we need to establish a live connection to your source mailbox.

  • Launch Microsoft Outlook on your desktop.
  • Subsequently, navigate to File > Account Settings > Add Account.
  • Enter your Microsoft 365 email address and follow the authentication prompts.
  • Once verified, Outlook will begin synchronizing your mailbox. It is crucial to allow this process to complete entirely to ensure all data is available for transfer.

Step 2: Onboard Your iCloud Mail Account

Next, we bring your destination into the same environment.

  • Remaining in Outlook, return to File > Account Settings > Add Account.
  • Here, input your iCloud email address.
  • When prompted for the password, utilize the 16-character App-Specific Password you generated earlier, not your standard Apple ID password.
  • After a successful connection, Outlook will sync your iCloud folders, making them visible in the navigation pane.

Step 3: The Selective Migration Process

With both mailboxes active, you can now orchestrate the move.

  • Firstly, within Outlook’s folder pane, locate and expand your Microsoft 365 account to view its folders (Inbox, Sent Items, etc.).
  • Then, expand your iCloud account to reveal its parallel folder structure.
  • Now, initiate the transfer. You can select specific emails or entire folders from your Microsoft 365 account.
  • After that, simply drag and drop the selected items onto the corresponding folder within your iCloud account. Outlook will begin copying the emails across the accounts.
Pro Tip: For a large-scale migration, it is advisable to transfer folders in batches rather than all at once. This method simplifies progress tracking and makes it easier to identify and resolve any potential errors. 

Step 4: Synchronization and Quality Assurance

The final phase is about ensuring integrity and completion.

  • After the transfer appears complete, allow Outlook a few moments to finalize syncing with the iCloud servers.
  • Then, to confirm the migration’s success, access your iCloud Mail via a web browser (iCloud.com /mail) or your iPhone’s Mail app.
  • Finally, verify that all emails and folders are present and that formatting and attachments are intact.

With this method, you have granular control over the migration. It allows you to curate which emails make the journey to your new, elegant Apple ecosystem. However, this method has a few limitations that might be an issue for many users. Let’s understand those, too.

Manual Transfer Office 365 Emails to iCloud Limitations

  • Extremely Time-Consuming: Not feasible for large mailboxes (10GB+).
  • No True Automation: Requires manual, folder-by-folder dragging.
  • Metadata Loss: Email timestamps, “From” addresses, and original folder structures may not be preserved.
  • Risk of Duplicates: Re-running the process can create multiple copies of the same email.
  • Connection-Dependent: A lost internet connection will interrupt and cancel the transfer.
  • No Incremental Transfer: Cannot easily sync only new emails after the first transfer.
  • App-Specific Password Required: Adds complexity for iCloud authentication.

In short, this method is only practical for migrating a few crucial folders, not an entire mailbox with integrity.

Best Way to Migrate Office 365 to iCloud

The most effective and efficient technique to move your O365 data is to use the MacSonik Office 365 Backup tool. This is designed to move your Office 365 data to any format, such as MBOX and other file formats. Plus, it ensures that your data structure remains the same after the migration.

Key Components of the Office 365 Backup Tool

  • Multi-Format Export: Save emails as PST, MBOX, PDF, etc.
  • Direct Migration: Transfer directly to Gmail, IMAP, and more.
  • Bulk Processing: Back up multiple user mailboxes at once.
  • Smart Filters: Remove duplicates and filter data.
  • Restore & Cleanup: Restore files to O365 and free up space.

Simple Steps to Migrate Office 365 to iCloud

  1. Begin by installing the MacSonik Office 365 Backup Tool on your system.
  2. Upon launching, select Backup and proceed to log in to your Office 365 account.
  3. Next, carefully choose the specific data you wish to migrate.
  4. Then, choose the destination by setting it to iCloud and providing credentials.
  5. Optionally, refine the process by applying any necessary filters.
  6. Finally, initiate the transfer with a click of the Convert button.

You have now migrated all your O365 data to iCloud. You can now verify this on your iCloud mail.

Ending Notes

Now, you have learned how easy it is to migrate Office 365 to iCloud. This blog has outlined the best approach to perform this migration. The first one is best for individual users with small data. However, for bulk and fast conversion, try MacSonik Office 365 Backup Tool. This is made to ensure the metadata while& after the migration.

Download MacSonik Office 365 Backup Tool now and back up your first 50 emails for FREE. Get 24×7 expert support!

Frequently Asked Questions

Q1. Can I use this approach to transfer my Outlook Office 365 contacts to iCloud?

Ans. Yes, you can you any approach, but the manual process can be lengthy and error-prone. To transfer contacts, emails, and other data seamlessly, use the MacSonik Office 365 Backup Tool, which ensures accurate and quick migration without data loss.

Q2. Does this method allow migrating Office 365 emails to iCloud with attachments?

Ans. Absolutely! With the MacSonik Office 365 Backup Tool, you can migrate all emails along with attachments and maintain the original folder hierarchy. It guarantees a complete and secure transfer process.

Q3. How long does it take to transfer data from Office 365 to iCloud?

Ans. Migration time depends on mailbox size and internet speed. However, using the MacSonik Office 365 Backup Tool speeds up the process significantly by enabling smooth, automated, and time-efficient transfers.

About The Author:

Milan Kumar Vishvas is a seasoned content writer with expertise in creating SEO-friendly, engaging, and insightful content across industries, including IT, SaaS, and finance. With years of experience in copywriting, recruitment, and digital branding, Milan specializes in simplifying complex concepts into clear, impactful narratives that connect with readers. When not writing or strategizing, he is passionate about exploring new trends in technology, digital marketing, and workplace culture. Milan firmly believes in the power of words to inform, inspire, and transform businesses.

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