Convert OLM File to EML – Complete Conversion Guide
Summary: When users switch from Mac to another operating system, data transfer is the main concern. Users using Microsoft Outlook contain emails, calendars, events, and important notes. In this blog, we will discuss the 2026 best solutions using which you can convert OLM file to EML. Although there are several solutions to accomplish the conversion process. But in this guide, we will go through the most frequently used approaches, including the Aryson OLM File Converter.
Benefits of OLM to EML Migration
- EML files can be accessed on both Windows and Mac operating systems.
- In addition, EML supports many email clients such as Thunderbird, Windows Mail, etc.
- Convert OML file to EML simplifies future migration to a different email platform.
- Furthermore, EML files can be shared or archived without configuration.
- Above all, EML files are ideal for secure email archiving and compliance needs.
As of now, you understand the benefits of OLM to EML conversion for smooth email migration and secure backup. Now, proceed further in this guide to choose a reliable method that will convert your OLM data.
How to Convert OLM File to EML
Mainly, there are three ways in which you can convert OLM files to EML:
- Drag & Drop Method
- Using Thunderbird
- Professional Tool
Solution 01: Convert OLM File to EML Using Drag & Drop
To begin with, this is a free method and suitable for those users who have a smaller number of email files for conversion. Follow the steps below to export OLM to EML:
- On a Mac system, open Outlook.
- Then, open the mailbox that contains .olm files, and you have to convert them.
- Next, on the desktop, create a new folder and select .olm mails from the mailbox.
- Now, drag and drop the selected emails to the new folder.
- All the transferred files were converted into .eml format automatically.
- After that, you can transfer these files to your Windows operating system.
Demerits of the Drag & Drop Method
- Have to perform this method manually, which takes a lot of time.
- There is a high chance of missing a folder hierarchy.
- It is important to configure Mac Outlook.
- Apart from that, this method supports one email at a time.
- This method is not suitable for those who have emails in bulk.
Solution 02: Convert OLM to EML Using Thunderbird
- To start with, open Thunderbird on your Mac system.
- Afterward, make sure that IMAP is enabled on your Thunderbird account.
- Now, open Mac Outlook and enter the same IMAP credentials to log in.
- Using an IMAP connection, sync Outlook with your Thunderbird.
- After completion, OLM files will be shown on your Thunderbird account.
- Now, in Thunderbird, go to the Save as or Export option to convert files into .eml format.
- After that, share .eml files with your required operating system.
Demerits of Using the Thunderbird Method
- It is necessary to have both Outlook & Thunderbird installed on your system.
- Further, users may face a missing folder structure.
- Due to several steps, there is a risk of data loss.
- Moreover, users from a non-technical background can be confused while performing the steps.
As the above two methods contain the risk of data loss and missing folder structure. Along with incomplete conversion, it is suggested to move further to see how the professional tool is beneficial for you.
Solution 03: Convert OLM File to EML Using a Professional Approach
To overcome the manual method limitations, use the Aryson OLM Converter Tool. Using this software, you can convert your bulk data smoothly. Apart from that, the main purpose is to keep users’ data secure and maintain data integrity. It is useful for individuals as well as at the organisational level for those who manage data in bulk. Also, its embedded features help users with selective data migration. Follow for more to know about its genre’s features:
- It provides a preview of mailbox data before OLM conversion.
- Next, you can select files individually or entire folders accordingly.
- Moreover, you can also convert OLM to MSG and other formats.
- This software is suitable for all users because of its simple layout.
- For easier recognition, you can give a custom name to a folder.
Steps to Convert Mac Outlook OLM file to EML
- Download the Aryson OLM Converter Tool and click on Continue.

- Furthermore, select File/Folder and browse the .olm files; then, open them.

- After that, mailbox data appears in a tree structure; you can preview it along with attachments and click Next.

- Now, from the drop-down menu, choose EML as the resultant output.

- Additionally, apply the advanced filters according to your requirements.

- At last, select Path to save to specify the resultant destination and click Convert.

Conclusion
After reading this blog, you have an understanding of both OLM and EML files. It is important to choose the right approach to convert OLM file to EML. We have discussed the three methods: the manual and the professional tool. To keep the folder hierarchy the same and prevent data loss, opt for the professional tool.
Frequently Asked Questions
Q.1 Can I export OLM to EML without Outlook for Mac? Ans. Yes, the Aryson OLM Converter Tool allows you to export OLM files to EML format without requiring Outlook for Mac, as it works independently of any email client.
Q.2 Is it possible to convert a Mac Outlook OLM file to EML on Windows? Ans. Absolutely, Aryson OLM Converter is fully compatible with Windows OS, enabling you to convert Mac Outlook OLM files to EML on a Windows system with complete data integrity.
Q.3 What is the best method for bulk OLM to EML migration? Ans. The best method is using the Aryson OLM Converter Tool, which supports bulk conversion of multiple OLM files or folders to EML in one go while preserving folder structure and email metadata.
Related Post