How to Convert OLM File to MBOX File in Mac?

Anuraag Singh | Last Modified: May 30th, 2020 | Outlook

Mac Outlook data is saved in the OLM file which contains emails, calendars, tasks, notes, contacts, etc. OLM files are only accessible in Outlook for Mac OS.

If you have to use OLM data in some other email clients such as Thunderbird, Apple Mail or any other MBOX supported email application, then you have to convert OLM file to MBOX file format.

MBOX is the universal format that is supported by may email clients either it is On Mac, Windows, or any other platform. You can easily import the MBOX file in any email client.

I have seen many users of Mac Outlook, posting on forums about how can they transfer their Mac Outlook data to MBOX supported email clients. Following are the type of queries I found most interesting on those forums:

Hello there! I am a Mac Outlook user, I have OLM files from Multiple employees working under me. Our organization is movichanging our email client to Apple Mail. I have seen Import MBOX file option in my Apple Mail. So, please tell me the method how to convert OLM file to MBOX? So that I can transfer emails from Outlook for Mac to Apple Mail. Any help will be appreciated. Thanks!”

Greetings All, I am looking for a way to migrate Mac Outlook to Thunderbird. I’m little bewildered here, I have over 5000 mails in my Mac Outlook account and due to change in working environment, I need to switch to Windows platform where Thunderbird will be my email client. I don’t know any method to convert OLM file. If anybody has a solution for that then please let me know. Thanks!”

Challenges Faced While Conversion

  • There is no manual method (direct solution) available using which users can migrate the OLM file format.
  • There are not enough reliable tools available that can help users to export their data.

The process of transferring Mac Outlook data to other email clients is quite common nowadays. People transfer their mails to other emails clients daily because of the work environment nowadays demands flexibility.

There are many Mac Outlook users looking for a way to transfer their Mac Outlook data to different email clients but, they got scared because the data conversion process is a very complicated task.

They easily drop their idea to migrate the data from Mac Outlook to any other email client just because of the risk of data loss.

If any user have OLM file stored on Windows OS, then they can use this OLM to MBOX Converter for Windows.

How to Convert OLM File to MBOX Step by Step?

If you are a Mac Outlook user and looking for a way to transfer your data in MBOX file format, then we will help you with step by step guide to perform the task.

This task can be defined quickly with the help of an automated tool. We suggest you to use Mac OLM Converter to convert OLM file to MBOX.


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Advance Features of Mac OLM Converter

  • Option to migrate entire data including emails, calendar, contacts, etc.
  • It saves your emails with an attachment from the OLM file to MBOX in bulk.
  • This tool provides a secure & reliable data conversion.
  • The OLM conversion software moves the data without alteration.
  • Maintains Folder Hierarchy during the conversion.
  • Provides facility of maintaining mails using Date base Filter.
  • There is no file size limitation during conversion.

Steps to Convert OLM File to MBOX Format

1. Install and Launch the software, then click on Add File(s)/ Add Folder Option to select the OLM file.

Add file folder

2. Browse the OLM file for conversion and Choose MBOX as Export Type.

MBOX Converter

3. Select Advanced Settings for additional customization and click on Save.

Advance Settings

4. Select the destination location and click on Export.

Export Button

Steps to Import MBOX File in Apple Mail

1. Open the Apple Mail On you Mac machine

2. Invoke “File >> Import Mailboxes“.

3. Browse “Files in mbox format” option and click “Continue“.

4. Select your MBOX files in the next window and click “Continue“.

5.MBOX file is successfully exported to Apple Mail.

Steps to Import MBOX File in Thunderbird

1. Open the Thunderbird on your Windows Machine and click On Tools in Menu Bar.

2. Select ImoprtExport Tools >> Import mbox file.

3. “File mbox import” window will appear, Select “Import directly one or more mbox file” option and click OK.

4. Browse the MBOX file from the destination folder and click Open.

5. All the data in the MBOX file will be saved in Thunderbird.

Final Verdict

Many Mac Outlook users don’t switch to other email clients due to the risk of data loss during migration. The tool mentioned above made this task easy and it ensures that no data loss is encountered during migration. This conversion is only possible with the help of third-party software. Users who want to know how to convert OLM file to MBOX format can get their answers here. Furthermore, the steps to import the output file in Apple Mail and Thunderbird are discussed in this article. The entire file structure & security is maintained during the conversion process.