Best Methods to Export OLM to MSG File Format- (2023 Guide)

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  • Updated on September 12th, 2023

Summary: This technical blog will show you how to export OLM to MSG format using the Aryson Mac OLM Converter Tool. First, we’ll explain the features of OLM and MSG files. Then, we’ll give you step-by-step instructions to convert your Outlook OLM emails into MSG format. By the end of this blog, you’ll know exactly how to do it, so keep reading!


OLM and MSG are both file formats used to store email messages. However, they have different features and are used by different email clients.

OLM stands for Outlook for Mac- It is a proprietary file format used by Microsoft Outlook for Mac to store mailbox data, including emails, contacts, calendars, and tasks. OLM files can only be opened by Microsoft Outlook for Mac.

MSG stands for Messaging Application Programming Interface- It is a standard file format used by many email clients, including Microsoft Outlook, Windows Mail, and Apple Mail. MSG files can be opened by any email client that supports the MSG file format.

Here is a table comparing the key features of the OLM and MSG file formats:

FeaturesOLM File FormatMSG File Format
File formatProprietaryStandard
Supported email clientsMicrosoft Outlook for Mac.Microsoft Outlook, Windows Mail, Apple Mail, etc.
Data storedEmails, contacts, calendars, and tasksEmails, attachments, headers, etc.
PortabilityNot portablePortable

Now, let’s move towards effective approaches to exporting OLM to MSG format.

Best Methods to Export OLM to MSG: A Step-by-Step Guide

Here are the two main methods to save OLM files into MSG format. Depending on your needs, you can select any of these.

  1. How to Convert OLM to MSG Non-Automatically
  2. How do I Export OLM to MSG Automatically?

Method 1: How to Convert OLM to MSG Non-Automatically?

This method will discuss the five simple steps to manually convert OLM files to MSG. Let’s explore the step-by-step guide to the OLM to MSG migration.

Step 1: Enable IMAP settings in your Gmail account.

  1. Open your Gmail account in a web browser.
  2. Select See all settings by clicking the gear icon in the upper right corner of the screen.
  3. Click the Forwarding and POP/IMAP tabs.
  4. Under IMAP access, select Enable IMAP.
  5. Click Save Changes.

Step 2: Configure an IMAP account in Mac Outlook.

  1. Open Mac Outlook.
  2. Choose New > Account under the File menu by clicking.
  3. Select IMAP and click Continue.
  4. Enter your Gmail email address and password.
  5. Click Connect.

Step 3: Transfer your OLM information to your Gmail account.

  1. In Mac Outlook, click the File menu and select Import/Export.
  2. Select Import from another program or file and click Continue.
  3. Select Outlook for Mac 2011 or later and click Continue.
  4. Select the OLM file that you want to import and click Open.
  5. Click Import.

Step 4: Open Outlook on Windows and import the OLM file.

  1. Install Windows Outlook.
  2. Create a new IMAP account in Windows Outlook using the same Gmail email address and password that you used in Mac Outlook.
  3. Click the File menu and select Open & Export > Import/Export.
  4. Select Import from another program or file and click Continue.
  5. Select Outlook for Mac 2011 or later and click Continue.
  6. Select the OLM file that you want to import and click Open.
  7. Click Import.

Step 5: Export OLM to MSG files.

  1. In Windows Outlook, navigate to the folder containing the imported OLM data.
  2. Select the email messages that you want to convert to MSG format.
  3. Select a few emails, then drag & drop them on your desktop or a nearby folder. From these emails, Outlook will generate MSG files automatically.

Finally, once you complete these steps, you will export OLM to MSG files. But, it has some limitations that will be mentioned below.

Limitations of Manual Approach

Here are some of the limitations of the manual method:

  • It is a time-consuming and complex process.
  • It is prone to errors.
  • It can only convert a single OLM file at a time.

If you want to avoid these limitations, you can use an automated solution to convert OLM to MBOX. The OLM Converter is designed to automate the conversion process and make it more efficient and accurate. Let’s discuss the following automated approach that can convert multiple files/folders simultaneously and even import OLM to Gmail.

Method 2: How to Export OLM Files to MSG Automatically

Aryson OLM Converter is trustworthy and effective software for moving your stuff from Mac Outlook to MSG and other file types. It can handle large OLM files without a problem. Moreover, it has various features like removing duplicates, filtering by dates, downloading emails with or without attachments, etc. Also, you can download the OLM Converter Tool for free. Now, let’s go through the five easy steps and understand how it works in simple terms.

Here are the steps to Convert OLM Files to MSG:

  1. Download & install OLM Converter on your system.
  2. Click Select Files/Select Folder to choose your files, then click Next.
  3. Now, select the MSG format from the drop-down list.
  4. After all, customize the features that you want.
  5. Finally, hit the Convert button.


As we can see, two main methods exist to save OLM files into MSG using manual and professional approaches. Consequently, you may select whatever one you like. But the thing is, the manual method can’t export OLM to MSG, and it also has some other drawbacks that can create a mess during conversion. On the other hand, the professional method is the direct solution for OLM to MSG conversion. It also has a user-friendly interface so that non-technical users can use this application easily without any effort. Now, finding the right way to convert your OLM files to MSG format is in your hands.

Frequently Asked Questions:

Q1. How do I save an OLM email to MSG?

Ans – By following these simple three steps, you can export OLM to MSG format:

1. Download the OLM Converter and browse the files, then click Next.
2. Choose the MSG format from the dropdown.
3. Pick Features as needed and click Convert to start the process.

Q2. How do I preview OLM emails before conversion?

Ans – Using the OLM converter, you can easily preview your file. Download the OLM converter, add the file you want to review, then click Next and Preview.

About The Author:

As a lead technical writer, I know the technical problems faced by office and professional users. So, I decided to share all my technical knowledge through this blog. I love helping you with tough challenges when dealing with technical issues.

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