Top Ways to Import Emails from MBOX to IMAP Server on Mac

  • Written By  

  • Updated on September 30th, 2025

Your Mac’s locally stored MBOX emails are living on borrowed time. A sudden hardware failure or the departure of an employee can make those crucial messages disappear permanently. More importantly, any business wishes not to lose important data saved in MBOX. Therefore, you must move data from a vulnerable local file to a resilient, cloud-based server, where it’s protected, easily accessible, and simple to restore. Thus, this guide walks you through the best methods to import emails from MBOX to IMAP server on your Mac. Moreover, this will guide you to the expert-recommended CloudXena MBOX Converter.

Our startup worked with multiple freelancers who shared email exports in MBOX format. To avoid losing track of client communications, we need to upload MBOX to IMAP account accessible on Mac devices.
– Emery Hannemann, IT Lead

Steps to Import Emails from MBOX to IMAP on Mac

  1. Launch CloudXena MBOX Converter, click Continue.
  2. Then, add MBOX files via Add File/Folder, and click Next.
  3. After that, Preview & Select folders to migrate & click Next.
  4. Further, from Save As, choose IMAP.
  5. Thereafter, enter IMAP credentials to log in.
  6. Then, apply any Filters (Optional).
  7. Click Convert to start the conversion.

The Pitfalls of Storing MBOX Files Locally on Mac

This section will cover all your queries on why to move MBOX File to IMAP server. 

  1. A Single Point of Failure
    • Hardware crashes, system errors, or physical damage can permanently destroy the only copy of your emails.
    • Unlike cloud storage, there is no remote server acting as a backup.
  2.  Data Loss During Employee Transition
    • Critical company emails stored on an employee’s Mac are lost when they leave.
    • Therefore, this results in vanished institutional knowledge and significant security risks.
  3. Poor Accessibility & Mobility
    • Emails are locked to a single device.
    • Moreover, you cannot access your archives remotely from another computer or a mobile device, hindering productivity.
  4. An Organizational Nightmare
    • MBOX files become large, unwieldy “blobs” of data over time.
    • Thus, finding specific emails is slow and difficult due to a lack of modern search and filtering tools.
  5. A False Sense of Security
    • Manually copying files to an external drive is not a true backup; it’s prone to being forgotten or done incorrectly.
    • However, a real backup is automatic, redundant, and versioned—a single file copy is not a recovery plan.

Therefore, this blog will help you to avoid this risk entirely.

Best Solutions to Import Emails from MBOX to IMAP

Now, we will cover the most secure and safe ways to perform this upload of your MBOX files. Firstly, we will cover Apple Mail as an Intermediate Bridge to move MBOX File to IMAP Server. Then, the most recommended Cloudxena’s processional MBOX converter for bulk conversion on Mac.

Free Way to Import MBOX to IMAP Mac

Apple Mail provides a manual way to import MBOX files into your IMAP account. However, it requires a few steps and works best for smaller mailboxes. Here’s how you can perform this conversion:

Steps to Import Emails from MBOX to IMAP Using Apple Mail 

  1. To start, open Apple Mail on your Mac.
  2. Then, go to Mail > Add Account
  3. After that, sign in with your IMAP account (e.g., Gmail, Yahoo, Outlook).
  4. Thereafter, click File > Import Mailboxes.
  5. Now, select MBOX files and hit Continue.
  6. Then, browse and choose the MBOX file(s) you want to import, & then click Choose.
  7. After import, Open the mailbox and select the Emails you want.
  8. Afterward, Drag & drop these emails into the folder under your IMAP account.
  9. Now, wait for Apple Mail to sync.
  10. Check your IMAP account on another device to confirm the emails are available.

Although Apple Mail is free and doesn’t require any additional software. That makes it a quick option for small mailboxes. However, it can be time-consuming for large or multiple MBOX files, risking data loss or duplication. Moreover, it lacks advanced features like bulk migration, folder hierarchy preservation, or error recovery. 

Risk-Free Method to Upload MBOX to IMAP on Mac

Businesses need to migrate MBOX files quickly and without losing any data. Therefore, CloudXena MBOX Converter is the solution for them. This user-friendly software comes with many features, such as duplicate remover, bulk migration, and many more. Also, it allows users to directly import MBOX file to Google Workspace and other email clients. 

Step-by-Step Guide to Import Emails from MBOX to IMAP on Mac

  1. Firstly, open CloudXena MBOX Converter & hit Continue.
  2. Now, click Add File/Folder, find your MBOX files, and select Next.
  3. Check the Preview, tick the folders you need, and click Next.
  4. After that, change the Save As option to IMAP.
  5. Then, log in by entering your Email Account Details.
  6. Thereafter, narrow down the emails if you want.
  7. At last, press Convert to move everything to your IMAP server.

With this professional-grade MBOX converter, you have converted all your MBOX file data to IMAP without any hassle. Plus, this tool aids users to migrate MBOX to Yandex Mail

How to Select the Best Way to Import MBOX to IMAP Mac

For any organization, it is important to choose the best way to import emails from MBOX to IMAP Server on Mac. Therefore, follow the guide below to choose the methods as needed

Feature / Aspect Apple Mail (Manual Method) CloudXena MBOX Converter
Cost Free Paid (Professional-grade features)
Ease of Use Requires multiple manual steps, suitable for small mailboxes User-friendly interface, step-by-step process
Bulk Migration Not supported Supports multiple MBOX files/folders at once
Data Safety Risk of data loss or duplication during import High data integrity, no loss, duplicates can be removed
Folder Hierarchy Manual import may disturb the folder structure Preserves original folder structure
Supported Email Clients Only works with accounts added to Apple Mail Works with Gmail, Google Workspace, Yandex, Outlook, and other IMAP clients
Preview & Selective Import Not available Allows preview and selective migration of emails/folders
Speed Slow for large files Fast migration even for large MBOX files
Advanced Features None Duplicate remover, selective email migration, error recovery
Sync Across Devices Relies on Apple Mail sync Directly uploads to the IMAP server for instant availability on all devices

Final Remarks

When it comes to import emails from MBOX to IMAP server on Mac, CloudXena MBOX Converter outperforms manual methods decisively. It offers bulk migration, preserves folder hierarchy, and eliminates data loss risks that plague Apple Mail’s manual approach. Moreover, it has an intuitive interface, duplicate remover, and direct server upload capability. Alongside, CloudXena handles migrations to Gmail, Google Workspace, Yandex, and other IMAP services effortlessly. Therefore, for businesses valuing time and data integrity, CloudXena is an essential investment that ensures your critical emails are transferred safely to cloud-based servers.

Download CloudXena MBOX Converter free version today and test-migrate 50 emails per folder instantly.

Connect with our 24*7 live support , which provides immediate assistance.

Frequently Asked Questions

Q1. Why should I import MBOX emails to an IMAP server?

Ans. You should import MBOX emails to an IMAP server to protect your data from hardware failures and accidental loss. IMAP provides cloud-based storage with automatic backups, allowing access from any device, anywhere. Unlike local MBOX files tied to one computer, IMAP ensures better security, remote accessibility, and reliable disaster recovery. For businesses, it preserves critical communications during employee transitions and enables easy collaboration across teams. You can import emails from MBOX to IMAP Server on a Mac with CloudXena MBOX Converter.

Q2. Does importing MBOX to IMAP affect the original emails?

Ans. There are chances to affect original emails if you are importing MBOX to IMAP with manual methods. Manual methods do not help in maintaining the email structure. But with CloudXena MBOX Converter, you can effortlessly import all your MBOX files with the same hierarchy.

Q3. What is the maximum MBOX file size I can import to an IMAP server?

Ans.  You can import any size of MBOX file to an IMAP server with CloudXena MBOX Converter. This user-friendly tool has been developed for the business entity to convert their MBOX data file of any size.

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.

Related Post