How to Open OLM File on Mac and Windows OS?

  •   Written By
  • Published on
    October 5th, 2019
  • Updated on
    March 20, 2023
  • Read Time
    3 minutes
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OLM files came into existence in 2011 which stores the important emails and data for Mac Outlook. Important data could be Emails, Contacts, Calendar, Tasks, Notes, etc. This file format is only compatible with the Mac version of Outlook, and it is not compatible with other email clients as well as MS Windows. But in this blog, we will know how to open OLM file on Mac and Windows. However, it can be a lengthy process to access OLM files manually but it will get done if you put some efforts. Now follow this blog to the end.

Where Does Mac Outlook Store Its Data Files

Location For Outlook Mac 2011

/Users/<username>/Documents/Microsoft User Data/Office 2011 Identities/Main Identity

Location For Outlook Mac 2016

/Users/<username>/Library/GroupContainers/UBF8T346G9.Office/Outlook/Outlook 15 Profiles/Main Profile

After exporting the data to saving location we need to import OLM File to a new Mac Outlook.

Read here: How to Fix Mac Outlook Not Syncing with Exchange Server?

Access or Open OLM File on Mac

You need to have Mac Outlook on your system for executing this method. See the steps below to access the OLM files:

  1. In Mac Outlook 2016 or 2019, on the Tools tab, choose Import.
  2. In the Import tab, select Outlook for Mac archive file (.olm) then click Continue.
  3. Now locate the .olm file on your Mac, and choose Import.
  4. Finally, the imported items like Mail, Calendar, People, Tasks, Notes will appear on the navigation panes under On My Computer.

Access or Open OLM Files on Windows

OLM Converter utility automatically searches Mac Outlook OLM files from the system directory. Also, it recovers corrupted OLM files. It is a full-fledged tool which exports vital file objects like email messages, calendar, contacts, journals, task, etc. It’s pro version has a preview option that enables users to view the recovered data before saving them. Some screenshots with steps about OLM Converter given below:

    • Start the SysInfo OLM Converter as an administrator.

download olm converter

    • Click on the Single File or Multiple Files/Folder to add OLM files.

choose file folder option

    • Here, preview the added OLM files and click on the Next button.

click next

    • Check the folders and preview mail and their attachments.

preview mail

    • Now, select PDF or any other format from the drop-down list.

choose pdf

    • Choose the required features of the software if you want.

pick feature

    • Mail Filter allows you to separate the emails between two date ranges.

mail filter option

    • Click on the Path To Save button to select the destination directory for the resultant.

path to save

    • Click on the Convert button to start the conversion of MBOX files into PDF files.

click convert

  • Here, you can also save the report of the conversion process.

The demo version will only help you to view OLM Files but if you want to convert OLM to PST then you will have to buy the full version of this software.


I have discussed the manual solution to how to Open OLM File on Mac and Windows and an automated utility to open OLM on Windows only. Try these methods to open OLM on different platforms. Keep in mind that some technical knowledge is required to perform manual methods. So, it’s better to go for an automated solution.

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