Are you moving to Mac Mail email client but worried about the Outlook for Mac-supported OLM files? Wondering how do I access OLM files on Mac Mail? Searching for a proficient solution to view OLM in Mac Mail with accurate emails and attachments? Not to worry, just follow the segment discussed here in which users will find a suitable solution through which they can quickly access OLM files on Mac Mail effortlessly.

OLM file is a default storage file type of Microsoft Outlook for Mac. It holds the important data items of users account such as emails, contacts, calendars, and other items. There are plenty of Mac users who make use of Outlook for Mac email client for managing their day-to-day emails. But sometimes, they have to switch from one email platform to another due to organization requirements. And, so they prefer Apple Mail email client for the same.

Why to Access OLM Files on Mac Mail?

Apple Mail or Mac Mail is another widely popular email application. It’s functioning is similar to Outlook for Mac. Like OLM, there is another file i.e. MBOX which is supported by Mac Mail program to stores the user’s critical emails and attachments.

At times, when a user move to one email client to another they forget that they will not able to access files of old email application into a new one. Because, each email program supports distinct file format. So, when someone tries to access the files of previous email app into new one, an error will immediately occur.

For e.g. An Apple Mail user will not able to open OLM files in the same. Similarly, Outlook for Mac user will unable to open MBOX files in the same. To do the task, users need to perform the conversion of OLM to MBOX or vice versa. Because, both the application will allow users to open their respective files in the email account. Therefore OLM to MBOX conversion is must to access OLM files on Mac Mail environment. 

How do I Access OLM Files on Mac Mail?

The MacMister OLM to MBOX Converter is an application which is specially programmed to access OLM files on Mac Mail. The application is user-friendly, cost-effective, and secure. Any user whether professional or non-professional can quickly convert OLM to MBOX and access OLM files on Mac Mail without any trouble. The tool even carries three-step process which will take user’s minimum time and perform the conversion immediately.

Moreover, there are many wonderful features in the application with the help of which users can save OLM in Mac Mail as per their requirements. However, they can also download the trial edition of the software to check the working steps of the tool for free.

Working Steps to Access OLM Files on Mac Mail

Step 1. Download and open OLM to MBOX Converter on Mac.


Step 2. Upload required OLM files on the software by utilizing Add File(s) and Add Folder buttons. Click Next.


Step 3. The tool will scan the selected OLM files and list them on the software pane with checkboxes. Quick Note. The checkbox is useful to access selective OLM files on Mac Mail, if needed by some users. Otherwise, click Next and proceed.


Step 4. Select the MBOX file format after tapping Select Saving Options.

Step 5. The MBOX sub-options will appear. You can set them as per your need and start the process by clicking the Export button.

Step 6. The process will be live and the users can track the export status with the help of Live Conversion Window as shown below.


The entire procedure will finish in seconds and then the tool will show “Conversion Completed” message to users. Click on OK and open Apple Mail email client to import MBOX file.

Working Guide to Import MBOX in Mac Mail

  • Open Apple Mail email platform on macOS.
  • Click File and pick Import Mailboxes…
  • Select Files in MBOX format option appearing on the Import screen.
  • Click Continue.
  • Go to resultant MBOX file location. Select the same and hit Choose.
  • Import process will quickly start and the on-going process will appear on the screen.
  • After the procedure ends, click Done.
  • Now, the new Import folder will be created and it will appear on the left navigation pane of Apple Mail account under On My Mac. After double-clicking it, you will see a sub-folder of INBOX. Again, click the same and all the list of emails will appear.

You can now open the required email and check the result. However, you will see that the content of every email is accurate and appearing with 100% precise data integrity.


The blog has highlighted the method to access OLM files on Mac Mail on Mac OS. The MacMister Mac OLM Converter is a reliable, fast, and highly secure solution that is recommended by top-level experts for Mac users. The working is easy and delivers instant results without data loss. However, it comes with a trial edition with the help of which users can check the procedure of OLM to MBOX for free. Moreover, they can access first 25 OLM files in Mac Mail environment free of cost.