How to Convert MSG to OLM File in Mac OS?

admin | data migration email conversion how to mac os msg software technology | 4 minutes read | Modified on: 16-07-2025

Overview

Are you curious about how to convert MSG to OLM file in Mac OS (OLM) without Outlook? I’m going to share with you in this article an incredible technique that will undoubtedly assist users in exporting MSG files to Outlook for Mac format. Both Microsoft Outlook and MSG are widely used formats, and each has a specific purpose. Users must convert the file formats from MSG to OLM in order to view MSG data in Outlook for Mac. MSG is an email message format, whereas OLM is an archived file of the Outlook for Mac email client. Let’s examine how to effortlessly and error-free convert MSG files to OLM format.

What are MSG and OLM Formats?

MSG File: It is a file format used by Microsoft Outlook to save a single email message, calendar item, contact, or task. It consists of entire details of an email like the sender, recipient, subject, body, attachments, and metadata.

OLM File: It is a file format used by Microsoft Outlook for Mac to archive or export entire mailboxes. It contains multiple emails, contacts, calendars, tasks, and notes, etc. This file use .olm extension. Generally it helps to back up or migrate data from Outlook for Mac.

Why Do I Convert MSG to OLM? – Reasons

Here are the main reasons why someone would do this conversion from MSG to OLM:

  • As we know MSG files are typically from Outlook on Windows, while OLM is used by Outlook for Mac. If you’re switching from a Windows PC to a Mac and want to transfer your emails and data, converting MSG files to OLM makes them compatible with Outlook for Mac.
  • MSG files are single email files, which can be tedious to manage if you have thousands of emails saved individually.
  • Converting MSG into OLM file allows you to manage bundle of emails into archive of Outlook for Mac for easier import.
  • Outlook for Mac doesn’t by default opens MSG files, so to access the content of MSG emails on a Mac, converting to OLM is necessary.

MSG to OLM Converter for Mac t to Convert MSG to OLM File in Mac

MacArmy MSG Converter for Mac servers you advanced features and simple GUI interface to convert MSG to OLM on Mac OS. That is why this technique is high in demand due to its consistency and reliability. Users can opt for this method if they want a direct and precise solution to import MSG files into OLM format. This direct method to convert .msg into PST is the easiest way possible, no knowledge of technical is required for processing. The app is feasible for exporting batch MSG data to Outlook for Mac directly at once, while preserving all components intact. The software supports migration of MSG files of all Outlook editions for example Outlook 2021, 2019, 2010, 2007, and many more. Let me elaborate its working now.

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How to Convert MSG to OLM File in Mac OS? – Step by Step Working

Follow few simple steps mentioned below in order to seamlessly transfer MSG files to OLM files in batch:

Step1: Firstly install MSG to IMAP Converter for Mac. 

Step2: Now select or add files and folders.

Step3: Tick the specific MSG files’ checkboxes you wish to import.

Step4: Now you need to pick IMAP saving option and then enter required credentials. . 

Step5: In the end, press on the “Export” button. 

Why Choose MSG to OLM Converter for Mac Tool?

Let’s discuss all key features and advantages of MSG to OLM Tool:

Exporting MSG files in bulk to OLM: Mac MSG to OLM Tool allows you to choose numerous MSG files and convert them to OLM format with a single click. Users can choose folder to convert all of the items in that folder to OLM format.

Preserve Perfect Accuracy: When converting MSG files to OLM, the folder hierarchy is not harmed and all of the MSG files’ properties are preserved.

Convenient Process: Users can convert their MSG files to OLM files by following a few simple steps. Since the interface of MSG to OLM Tool is quite interactive that makes conversion so seamless.

Independent Source:  Any email Outlook edition that creates MSG files, like 2019, 2010, can convert to OLM format with the app. And it doesn’t make Outlook installation mandatory. Additionally, this application provides output for every version of Outlook, including Outlook 2021, 2019, 2010, 2007, 2003, and others.

No File Size Limitations: This technique makes it simple and trouble-free to convert the format of large size of MSG files.

Read more

Convert MSG to PST on Mac

How to Migrate MSG Files to Office 365

Transfer MSG files to Gmail on Mac

Let’s Sum Up

After reading this article, you already know the answer to the problem of how to convert MSG to OLM file in Mac OS (OLM) without Outlook. Users can now install this program on both Mac and Windows operating systems. Windows 11, 10, 8.1, 8, 7, XP, Vista, and other versions are compatible. Additionally, it supports Mac OS Yosemite, Mojave, High Sierra, Monterey, Big-Sur, and Catalina, among others. Additionally, users are able to transfer 25 MSG files into OLM format for free as a trial.