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Convert OLM to MBOX with Top 4 Methods Securely & Easily

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Published By Jamie Kaler
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Approved By Rollins Duke
Published On April 15th, 2026
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Finding the easiest way to convert OLM to MBOX, but donโ€™t know how to change OLM to MBOX securely? On a Mac computer, you can move OLM file to MBOX using an automatic solution for a secure, accurate, & choice-worthy conversion experience, along with Apple Mail, Thunderbird, & Legacy Outlook. In this blog, you will learn the four effective techniques to change OLM file to MBOX. The free methods require technical knowledge, are time-consuming, & are not suitable for bulk conversions.

Smart & professional users prefer an OLM to MBOX converter for simple, safe, quick, & trouble-free conversion. Whether they are switching from Outlook for Mac to another email client or need anytime access to their Outlook emails from anywhere, the use of an automatic solution is more suitable. Secondly, it is especially useful for bulk conversion and saves time.

The guide is useful for Outlook for Mac users, IT experts, & those who want to move OLM to MBOX files. So, letโ€™s start with professional recommended, trustworthy, secure automatic solution in the next section below.

Convert OLM to MBOX Quickly Using Automatic Solution

This professional solution explains the easy way to convert OLM to MBOX quickly using a desktop-based offline solution, i.e., OLM Converter Toolkit by MailsWare, which accurately, and safely change OLM file to MBOX while preserving all mailbox data in their original format. This OLM to MBOX converter securely changes bulk OLM files into MBOX format at once, while preserving metadata & email attachments.

Steps to Change OLM File to MBOX

  1. Open OLM to MBOX converter tool on your MacBook computer.
    open the tool and click next
  2. Choose between โ€œSelect Filesโ€ or โ€œSelect Folderโ€ option and click on โ€œNext.โ€convert olm to mbox
  3. Then, click & select required folders from โ€œPreview Panelโ€ and Hit โ€œNext.โ€how to convert olm to mbox
  4. After that, choose โ€œMBOXโ€ as a saving option and set the โ€œDestination Path.โ€olm to mbox converter
  5. Finally, click on the โ€œNextโ€ button to start the conversion of OLM to MBOX.olm to mbox
  6. Done, convert OLM to MBOX has been completed.
    OLM files started converting

Benefits of OLM to MBOX Converter

  • This OLM converter toolkit maintains complete folder hierarchy, attachments, & metadata throughout the complete conversion process of OLM to MBOX.
  • The wizard directly convert OLM to MBOX files in bulk at once, which saves users time and effort, while keeping data integrity.
  • An OLM to MBOX converter effectively converts all the mailbox folders of Legacy Outlook while preserving the original folder structure, such as Inbox, Sent, Spam, & Trash.
  • The tool allows user to save their converted file into other saving options such as convert OLM to PST, MSG, EML, and others.
  • Software is compatible with all the latest versions of MacOS and Windows operating systems.
  • The OLM to MBOX converter for Mac guarantees no loss of data & corruption throughout and after the conversion process.

These were the benefits of using an automatic solution to convert OLM to MBOX mac.

How to Convert OLM to MBOX Manually?

To convert OLM files into MBOX format manually, we are sharing three methods to convert OLM to MBOX. In the first and second methods, we use account configuration & export from two different email clients. Then, in third method, we simply drag and drop folders one by one into local folder of Outlook Mac to create MBOX files. Follow the detailed instructions in the upcoming sections to change OLM files.

1st Method: Change Outlook OLM to MBOX Using Apple Mail

To convert OLM to MBOX with the use of Apple Mail, you need to follow the two steps given below carefully:

First Step: Set up Legacy Outlook Account on Apple Mail

  1. Open Apple Mail on your Mac PC.
  2. Then, click on โ€œMailโ€ option on header and choose โ€œAdd Account.โ€
  3. After that, choose account type โ€œMicrosoftโ€ from the listed account options and click โ€œContinue.โ€
  4. Now, enter your Legacy Outlook โ€œCredentialsโ€ to connect your account in Apple Mail.
  5. Wait to โ€œSyncโ€ your account properly with the application.

Second Step: Export OLM to MBOX from Apple Mail

  1. Click on โ€œMailboxโ€ option in header, and click on โ€œExportโ€ button.
  2. Finally, browse the โ€œSaving Locationโ€ on your Mac PC, and click on โ€œChooseโ€ button.
  3. Done! Your OLM file is changed into MBOX format.

2nd Method: Move OLM to MBOX File with Thunderbird

In the Thunderbird method, you again need to follow the two steps listed below to convert OLM to MBOX mac:

First Step: Configure Outlook Account on Thunderbird

  1. Open Thunderbird on your MacBook computer.
  2. Click on โ€œGearโ€ icon, choose โ€œaccount settingsโ€ option, and hit on โ€œAdd Accountโ€ button.
  3. Then, enter your Outlook Account โ€œIDโ€ & โ€œPasswordโ€ on newly opened window, and click on โ€œContinueโ€ to connect.
  4. After that, wait to complete the โ€œSync.โ€

Second Step: Extension Installation and Export MBOX

  1. Again, click on โ€œGearโ€ icon and choose โ€œAdd-ins and themesโ€ option, search and install โ€œImportExportTool NGโ€ extension.
  2. Right-click on โ€œConfigured Accountโ€ and choose โ€œImportExportTool NG.โ€
  3. Then, choose โ€œFolder Export (MBOX)โ€ option, and click on โ€œWith Flattened Subfolders.โ€
  4. Finally, browse and choose โ€œSaving Locationโ€ to store MBOX files and click on โ€œSaveโ€ button to convert OLM to MBOX.
  5. Done! Using this process, you will change OLM to MBOX.

3rd Method: Use Drag & Drop to Convert OLM to MBOX Mac

This method provides a quick way to convert OLM to MBOX without going into detailed steps.

  1. Open Legacy Outlook on Mac Device.
  2. Select the โ€œFolderโ€ you want in MBOX format.
  3. Simply โ€œDragโ€ & โ€œDropโ€ selected โ€œFolderโ€ to a โ€œFinder Folderโ€ or โ€œDesktopโ€ individually.
  4. Done! Now, you will see inside โ€œFinder Folderโ€ that your MBOX files are prepared in MBOX format.

Loopholes of Manual Methods

  • Both first and second manual methods depend on two different email clients, such as Apple Mail and Thunderbird.
  • Using account configuration will fail if the account is not properly configured & synced with both email clients.
  • Both first & second free workarounds require technical knowledge to perform properly and accurately.
  • The first & second methods involve two steps, such as account setup, syncing, exporting, & saving, which is time-consuming & requires a stable internet connection to perform.
  • Each manual method has limited control over specific emails or folders, which you cannot export in batches, especially when you are using drag-and-drop method to convert OLM to MBOX.
  • You need to repeat each step in all the given methods to perform the conversion of OLM to MBOX.

Final Thoughts on Change OLM to MBOX

In the conclusion of the topic โ€œhow to convert OLM to MBOX securely?โ€ We know the users who want to get access to their Outlook Mac data in different email clients, or those who only want to move to keep their data for future use, look for a secure solution. For a such cases, we had shared four methods to change OLM to MBOX. We found the use of an automatic solution is more reliable than the manual workarounds. All the three free manual methods are easy to use, but it has some unavoidable limitations, due to which you might face some serious challenges on your Outlook Mac account, such as account corruption, duplication of original emails, and chances of losing email attachment during the syncing procedure.

Now, it totally up to you, which method you are going to prefer for your OLM to MBOX conversion.

Read Also – Convert OLM to Thunderbird

Read Frequently Asked Questions

Q1: How do I convert Mac Outlook OLM to MBOX?

The process of exporting OLM to MBOX is quite simple. Just follow the steps given:

  1. Launch OLM to MBOX converter on your machine.
  2. Add single or multiple OLM files in the software window.
  3. Select required folders and choose MBOX as the saving option.
  4. Set a destination path and click on the Convert button.
  5. OLM to MBOX export process stated, please wait.

Q2: Does Mac Outlook support MBOX format?

No, both Windows and Mac Outlook donโ€™t support the MBOX files directly. A user may have to convert MBOX files to access them in Outlook.

Q3: Can I convert OLM files to MBOX using this software on a Mac OS?

Yes, this OLM to MBOX converter supports various versions of Mac OS. If a user needs to export OLM to MBOX, they can simply use this converter.

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