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How to Convert Mac Outlook OLM to PST with Attachments

Summary: This write-up will tell you the top solution which is a manual method and the professional methods to convert Mac Outlook OLM to PST format. Also, you will get the best and most advanced OLM Converter tool at the end of this article. So let’s get started.

Reasons Behind Convert OLM to PST Format

  1. It is necessary for your organization to switch permanently from Mac to Windows.
  2. Get access to the content of the orphaned OLM files that are present on the system.
  3. The Mac OLM can be migrated to PST in order to temporarily use Windows OS.
  4. The conversion is required if you want to view the data contained in an OLM file after receiving it.
  5. Increasing the portability of email data.

Solution 1: Manually Convert Mac Outlook OLM to PST Format

To use this approach, you must have a Google account. Furthermore, Outlook needs to be installed on your Mac. If you wish to store the OLM file data in Windows Outlook, you will require a Windows device that has Outlook installed. Let us begin the process of conversion.

Step 1: Enable the IMAP Protocol

  1. In the first step, log in to your Gmail account.
  2. Select the Settings option by navigating to the Settings icon.
  3. Now, select the Forwarding and POP/IMAP tab
  4. Next, you have to enable the IMAP option.
  5. In the last, hit the Save Changes button.

Step 2: Create Application Password

  1. First, go the
  2. Press the Security option and then turn on the two-step verification option.
  3. Next, choose the Application Password and login to your Gmail account.
  4. After that, select the Other or custom name as an app option
  5. Lastly, mention Outlook Desktop Mac and press the Generate button.

Step 3: Set up the Gmail Account in Mac Outlook

  1. Establish the MS Outlook on your device and go to the File option
  2. Then, hit the Add Account button.
  3. Mention your name and Gmail email ID
  4. Afterward, mention your Application password and re-enter your application password
  5. In the last, click on the Next button to begin the verification procedure.

Step 4: Import OLM File to Gmail Account

  1. To begin, right-tap on your Gmail emails and select the New Folder option.
  2. Provide a name for the Folder and hit the Enter key.
  3. Then, right-hit the Mac Outlook folder and select the Copy Folder option
  4. Choose the Folder you recently made and hit the OK button.
  5. Now, all copied folders will be successfully imported into the Gmail account.

Step 5: Integrate Gmail with Windows Outlook

  1. Now, you have to create an application password again for Windows Outlook. To do so, perform step 2.
  2. Then, open Outlook and then press the File option
  3. Tap the Add Account button.
  4. Mention your name and Gmail email ID
  5. After entering your application password, enter it again.
  6. Press on the Next button to begin the verification procedure.
  7. After completing the validation process, hit the Finish button.

Step 6: Import Data in Outlook PST By Using MS Outlook

  1. Tap the File option
  2. Choose Open & Export and pick the Import/Export option
  3. Now, select Export to a file and pick the Next button
  4. Afterward, from the Export to a File window, choose Outlook Data File (.pst) and hit the Next button
  5. Select the Gmail folder you wish to import.
  6. Add the Subfolders checkbox and tap on the Next button
  7. After that, hit the Browse button, give a location to store the PST file, and press the OK button
  8. In the end, press Do not export duplicate items and click the Finish button.

This manual process is free, but it has some demerits. In the below paragraph, we explain some drawbacks to using this free method.

Drawbacks of the Above Method to Export OLM to PST

  • Emails and other mailbox items can be permanently lost if a manual error is made.
  • It is possible to lose data when moving emails from one account to another.
  • The free method only applies to moving emails and does not account for other mailbox items such as contacts, calendars, tasks, and notes.
  • The manual methods require technical expertise.

To overcome all these issues, you must use the professional method to import OLM to PST.

Solution 2: How to Convert Mac Outlook OLM to PST Professionally

The professional OLM Converter tool is the most effective and risk-free way to convert OLM files to PST along with numerous kinds of file formats, for example, PST, MBOX, MSG, EML, EMLX, etc., with all attachments. This software also permits the import of Outlook OLM data to a large number of email clients, such as Gmail, Yahoo Mail, Thunderbird, Zoho Mail, Office 365, and many more, in batches at once. Also, it enables you to do the OLM conversion or importing procedure without installing MS Outlook on your device. However, it provides the latest feature to compress the resultant Outlook PST file to delete the PST oversized problem. Along with this, it is highly compatible with all Windows OS, like Windows 11/10/8.1/8/7, Vista, XP, etc., and Mac versions, such as Mac 2016 16.53.1 and all versions.

How to Use This Tool to Convert Mac Outlook OLM to PST

  1. First, download, install, and run the OLM Converter tool on your device.
  2. Now, tap the Select Files option to peruse OLM files.
  3. Next, you can preview the OLM emails.
  4. Select the saving file format as PST.
  5. Add the tool features as per your needs.
  6. In the last, tap on convert to begin the OLM conversion procedure.


The blog is now coming to an end. We have discussed different approaches, including manual and automated ones. On the other hand, some inexperienced users could run into issues while using the manual method. I would want to recommend an automated process to convert Mac Outlook OLM to PST format.