Monday, December 4, 2023

How do I Open an OLM File in Mac Mail on Mac?

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Did you recently move to Mac Mail from Outlook for Mac email client? Wondering how do I open an OLM file in Mac Mail on Mac? Looking for a stress-free solution for the same? No worries, read the segment quickly and you will come across a technique that will successfully help you to access OLM file in Mac Mail on Mac with emails and attachments.

OLM is Outlook for Mac archive file which is a default storage file format of Mac Outlook. It is known for storing the user’s emails, contacts, calendars, and other items. However, it is a platform-dependent file type and so users will be able to open the same only in Mac Outlook.

Also Read – How Mac User Convert MBOX to PDF on Mac?

So if you are now moving to Mac Mail from Outlook Mac due to any personal or official reason, then first make sure to make OLM file accessible with Mac Mail environment.

Apple Mail works just like Mac Outlook. Both are used to manage email communication. The only difference is Apple Mail uses MBOX format for data storage.

Therefore, users need to perform the conversion of OLM to MBOX to open an OLM file in Mac Mail on Mac. But how? Let’s check that out!

How do I Open an OLM File in Mac Mail on Mac?

The best way to open an OLM file in Mac Mail on Mac is MacMister OLM to MBOX Converter. The software is easy to use and possesses an intuitive platform which is easily accessible by all professional and non-professional users. Its simple GUI and smart operational steps can be effortlessly used by anyone and above all they will help to successfully complete the conversion with 100% accuracy.

Moreover, the software includes features which will help you to save OLM files according to your requirements. You can download the trial edition of the software to check the working of the tool for free.

Steps to Open an OLM File in Mac Mail on Mac

Step 1. Download and run MacMister OLM to MBOX Converter on macOS.

Step 2. You can take help of Add File(s)/Add Folder buttons to add OLM files/folders on the software for conversion. Click Next.


Step 3. The tool will start displaying the list of OLM files on the software with checkboxes. However, the checkbox can help you to open specific OLM files to MBOX with emails and attachments. Click Next.


Step 4. Click the Select Saving Options to choose MBOX file format from the list.


Step 5. Set the MBOX options according to the requirements and click on Export button to start the conversion of OLM files.


Once the conversion finishes, you will get “Conversion Completed” pop-up window. Click on OK and go to location where you have saved MBOX files. Now, open your Apple Mail email client to access MBOX files.

Guide to Open Resultant MBOX Files in Mac Mail

Step 1. Open Mac Mail email application on macOS.

Step 2. Click File and select Import Mailboxes…

Step 3. Choose Files in MBOX format from the Import window.

Step 4. Locate where MBOX files are saved. Choose them and click Choose.

Step 5. The import process will start which will end quickly by displaying the Done button. Click on it to close the process.

Now, you can see the imported items on the left navigation pane under On My Mac. By double-clicking on it you will see the Inbox folder with the total count of email messages. You can read the necessary email file to check the output. However, you will see that the content is accurate and formatting properties are also precise.

Why MacMister OLM to MBOX Converter Tool is Different?

OLM to MBOX Converter has several beneficial features with the help of you can convert OLM files to MBOX according to your requirements. Some of them are:

  • Batch conversion of OLM emails to MBOX on Mac with attachments at once.
  • Provides the options to add necessary OLM files on the tool i.e. Add File(s)/Add Folder.
  • Handles the large conversion of OLM folders with ease.
  • Keeps the originality of OLM emails intact throughout the conversion.
  • Designed with a user-friendly GUI that can be operated by professional and non-professional users.
  • No file size limitation, users will be able to convert large OLM files to MBOX without any difficulty.
  • Perform the process on macOS Sonoma, Venture, Monterey, Big Sur, and earlier versions.


In the write-up, we have discussed the process for “how do I open an OLM file in Mac Mail”. The MacMister OLM Converter for Mac is a wonderful solution which delivers fast processing and accurate output. Anyone can easily operate it and accomplish the process without requiring the external help. Download the free demo now and convert 25 OLM files to MBOX for free. This will help you to experience the entire conversion free of cost.


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