How to Convert Outlook OLM Emails to MSG File Format?

  

Rollins Duke   
Published: June 21st, 2025 • 7 Min Read

What is OLM File and MSG File Format?

OLM Format: The OLM (Outlook for Mac) format is used to store mailbox data in Outlook for Mac. It stores emails, contacts, calendars, and other attributes into a single file.

MSG Format: MSG files are individual email messages specific to Microsoft Outlook for Windows. It contains emails, attachments, and metadata of a single email message.

Convert OLM to MSG Manually

Given below is the comprehensive guide to convert OLM files to MSG. The complete method is divided into four steps as follows:

Step 1: Configure Email Account on Outlook for Mac

1. Firstly, launch Outlook for Mac on your system.
2. Click on “Outlook” in the top menu bar and select “Preferences.”
3. In the Preferences window, click on “Accounts.”
4. Click the “+” button at the bottom-left corner to add a new account.
5. Choose “Email” as the account type.
6. Enter your email address and password, then click “Add Account.”
7. Outlook will automatically configure the account settings and set up the email account.

Step 2: Import OLM File into Outlook for Mac (Configured Account)

1. Firstly, in Outlook for Mac, click on “File” in the top menu bar.
2. Next, select “Import.“
3. Now, choose “Outlook for Mac archive file (.olm)” and click “Next.”
4. Then, locate and select the OLM file you want to import.
5. Now, choose the data you want to import, such as emails, contacts, and calendar items. Click “Continue.”
6. Further, select the destination folders for the imported data. Click “Import” to start the process.

Step 3: Configure the Same Email Account in Outlook for Windows

1. Firstly, on a Windows system download and launch Outlook.
2. Next, click on “File” in the top menu bar and select “Add Account.”
3. Then, enter your email address and password, then click “Connect.”
4. Now, Outlook will automatically configure the account settings and set up the email account.

Step 4: Convert OLM Data to MSG Using Outlook for Windows

1. In Outlook for Windows, navigate to the folder containing the imported OLM data.
2. Next, select the email messages you want to convert to MSG format.
3. Finally, Drag and drop the selected emails into a local folder or your desktop. Outlook will automatically create MSG files from these emails.

Quick Steps to Convert OLM to MSG:

1. Firstly, download and launch the OLM to MSG converter tool on your PC.

   

2. Next, it will provide you with a dual option- Select Files or Select Folders, once selected, click the Next button.

   

3. Then, select the needful OLM files you need to convert to MSG file format.

   

4. Now, choose the MSG saving format from the list of multiple options.
5. Finally, choose the desired destination path and click the Convert button to convert OLM to MSG. 
   

Unique Features of OLM to MSG Converter

• The tools offer several import and saving format options other than MSG, like import OLM to Gmail, or convert OLM to PDF, CSV, EML, etc. as per user’s requirement.
• The tool efficiently converts all the OLM database to MSG including attachments, contacts, calendars, tasks, notes, and other metadata without losing any data.
• The tool features advanced search and filter options which helps users to convert only required data, preventing any unwanted conversion.
• The OLM to MSG converter also offers an individual option to convert only calendars and contacts so users don’t have to convert complete data.
• One of its exclusive features also includes multiple file naming options, so people can use a systematised way to manage large volumes of data.
• The versatile software also provides various language options so it gets convenient to run for people from different nationalities.
• OLM to MSG converter is a powerful solution, also capable of converting damaged or corrupted OLM files to MSG and other formats as well.
• The trusted software exhibits the quality of preserving every element of email data as original without disturbing anything.
• The respective application is designed for all kinds of users, technical or non-technical. It has a user-friendly interface and easy to navigate features.

Concluding Words 

As we conclude, we hope our users have gained clarity on both the methods, manual and automated software. While the manual method is free of cost, it comes with various challenges including the risk of data loss. We recommend our users to experience the effortless and rapid solution, especially for bulk conversion as it provides accurate results as per user’s requirement in no time.