Convert OLM to MSG Quickly & Safely with 2 Simple Methods

Approved By Rollins Duke

Published On May 5th, 2026

Reading Time 8 Minutes Reading

Looking for a solution to convert OLM to MSG, but don’t know how to do it safely? On a Mac, you cannot directly convert OLM file to MSG using Legacy Outlook. In this blog, you will learn the two techniques to move OLM to MSG in bulk within a few clicks and the freeway method.

To use free method, the users require technical knowledge of Legacy Outlook and patience. Secondly, this freeway method to export OLM to MSG file is time-consuming and prone to human errors.

Converting OLM files into MSG files becomes easy and secure if users use an automated solution for quick conversion. Users need to change OLM to MSG to make compatibility with Windows Outlook & for easier access to individual emails.

The use of manual method to change OLM file to MSG requires a Windows computer and New Outlook to complete the task. Both Windows computer and New Outlook method have done the complete conversion. But it has multiple steps that consume time, users need to repeat the same process multiple times, and are not useful for bulk conversion.

Professional users choose a secure, risk-free offline solution to do this OLM to MSG conversion safely on Mac, without putting themselves into technical troubles. You can also quickly convert your OLM file with professionals recommended, secure, and trustworthy automatic solution to get the job done easily in the next section.

How to Convert OLM to MSG using Automatic Solution?

The use of Outlook for Mac is fine for regular Mac users, but it’s been hard when users of Mac Outlook need to change OLM file to MSG, or they want to keep Outlook Mac data in MSG format as a backup. So, to convert OLM to MSG on Mac accurately with no data loss of single file, users need an OLM to MSG converter on their Mac device for safe conversion. In these cases, they can try OLM Converter Toolkit by MailsWare. This OLM to MSG converter makes the conversion process smooth and easily change OLM to MSG format in batches. It keeps metadata and attachments safe inside every single email of OLM file. Secondly, the folder structure is preserved during the complete conversion process with full data integrity.

Click on the buttons below to download the free trial version of OLM to MSG converter on Mac & Windows OS, and check its working efficiency with its bulk conversion capacity, including email attachments.

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Check out the steps in the next section below to know the easy working process of OLM Converter to convert OLM to MSG.

Quick Steps of Automatic Solution to Change OLM to MSG

Open the tool on your Mac device, & hit “Next.”
Select option between “Select File” or “Select Folders” & click “Next.”
Then, choose the “Folder” or “Subfolder” from OLM file and hit “Next.”
After that, choose saving option “MSG” along with “Destination Path.”
Click on “Next” button to start the conversion of OLM to MSG.
Done!

Benefits of OLM to MSG Converter

This OLM converter preserves folder hierarchy, metadata, and attachments during the entire import process of OLM to MSG.
You can save your time and effort by directly converting OLM files to MSG format in bulk at once, while maintaining data integrity.
The OLM to MSG converter not only change OLM file to MSG but it also converts OLM files into other file formats, such as PST, OST, TXT, and MBOX.
Users also can convert OLM to PST accurately and securely without the loss of any single mailbox data.
Its UI and UX make this tool simple to use and allow users to perform direct, hassle-free conversions with complete data security.
This wizard keeps the converted OLM file data in a readable and original format in the MSG files.

These were the benefits of using OLM to MSG converter to convert OLM to MSG.

Manual Method to Export OLM to MSG File

In this section, we are going to use a Google Drive Method to convert OLM to MSG manually to make this conversion free. Follow the described steps carefully in the next section below to change OLM to MSG.

Steps of Manual Method to Change OLM File to MSG

This manual method consists of six steps, and each step must be followed carefully.

First Step: Import OLM File into Outlook Mac

Open Legacy Outlook on the MacBook operating system.
Hit on “File” menu, select “Import,” and choose option “Outlook for Mac Data File (.olm).”
After that, select “OLM” file, and hit the “Import” button.
Now, wait to finish the import of OLM file.

Second Step: Drag & Drop Emails in Local Folder

After the completion of the import process.
Go to “Inbox” or “Sent” folder of mailbox, and choose the emails you want in MSG format.
After that, create a “Folder” on MacBook PC, and “Drag & Drop” selected emails into “Local Folder.”
Repeat this step multiple times for every individual email.

Third Step: Upload Local Folder to Google Account

Open “Safari” or “Google Chrome” browser on your Mac computer.
Go to the search bar, search for “Google Drive,” and open it.
After that, just simple “Drag & Drop” that “Local Folder” into “Google Drive.”
Done, now wait to complete the “Upload.”

Fourth Step: Download Folder on Windows Operating System

Open “Edge” or “Chrome” browser on the Windows PC.
Search “Google Drive” in the search bar and open “Google Drive” in a same tab.
Then, find the recent “Uploaded” folder on Google Drive.
Now, simply download the “Uploaded” folder on your windows computer.

Fifth Step: Upload Downloaded Data on New Outlook

Open New Outlook on your windows computer.
Go to “File,” click on “Setting” option, and choose “Files.”
Now select “Import” option, and click on “Start Import” button.
Then, open the downloaded EML file folder inside the New Outlook.
Done, wait for few minutes to settle all your data inside the New Outlook.

Sixth Step: Download Converted EML Files in MSG Format

Now, restart your New Outlook application.
Go to uploaded “Folder” option, and select a single mail.
Now, right-click on that and click on “Save as” option.
Finally, choose “Save as MSG” as a saving option, set the location on your Windows, and hit “Save.”
Done, you have successfully converted your OLM to MSG

Limitation of Manual Method for OLM to MSG

The manual method includes multiple steps, which makes this conversion process inefficient & lengthy, especially for bulk email data.
There is no straightforward solution available in both Legacy Outlook and New Outlook.
To use manual method, users require both Windows and Mac operating systems, along with New Outlook and Google Drive.
This manual solution requires careful execution of each step along with proper technical knowledge.
Using drag & drop method, the user needs to move emails email-by-email & folder-by-folder, which is an impractical & boring task in case of large datasets.
The use of drag & drop method can create a risk of losing email attachments, metadata, or entire emails. It also fails to sync in case of multiple emails.
Downloading, uploading, & syncing need a fast and stable internet connection to convert OLM to MSG, a slow connection will disrupt between the conversion process. Due to which the conversion fails.
The manual method has six steps, which users might forget or skip while attempting, which causes incomplete conversion of OLM to MSG.

Comparison Between Automated Method and Manual Method

The manual method of converting OLM file to MSG format is free, but the process is lengthy and tricky. On the other hand, the professionals suggested automated solution has become a fast, secure, and reliable option, which can convert multiple OLM files in batches, helping users to reduce their time and extra effort.

Basis	Automated	Manual
Time Consume	Fast & Easy	Time consuming & slow
Risk of errors	Low Risks of errors	High-risk of mistakes
Email Format Option	MSG files are single emails & easier to Backup	It Creates many files & hard to backup
Email Selection	Option to select individual emails	No selection option

You can use the described automated solution mentioned above for a quick conversion of OLM to MSG.

Final Verdict on Move OLM File to MSG File

At the end of this blog on topic “How to convert OLM to MSG. We share two methods to convert OLM file MSG on Mac. We found that an automatic, desktop-based OLM to MSG converter for Mac makes the conversion process of OLM to MSG simple, accurate, and batched. On the other hand, the manual free method to change OLM to MSG is not suitable for non-technical and newbie users, especially when users urgently need for the MSG files.