Superb Techniques to Convert OLM to PST on Windows & MAC

Summary: This technical article will explain to you the best methods to convert OLM to PST. OLM and PST are popular file formats of Outlook for storing mailbox data. But sometimes the user wants to move from Outlook for Mac to Windows Outlook. We will be discussing the manual and professional methods to convert OLM to Outlook PST. OLM Converter tool is also used for the conversion of OLM files to 10+ file formats in a short period.


Overview of OLM and PST

OLM is an Outlook data file format that Mac Outlook uses to store various mail items, such as emails, contacts, notes, and attachments. Mac Outlook can use OLM files for backup, migration, or importing to another system or Mac Outlook profile. However, OLM files created by Mac Outlook cannot be opened in Windows Outlook, Only Windows Outlook can open PST files.

PST files are Outlook data files that can store various mail items such as notes, calendars, and email messages locally on the user’s system. When users want to create emails locally on their PC, they create a .pst file in Outlook.

Reasons for Convert OLM to PST

Below are the listed reasons why users want to convert OLM to Outlook PST

  1. When Outlook users switch to Windows from Mac OS but they want to keep using the Microsoft Outlook application.
  2. The GUI of Windows is more user-friendly than Mac.
  3. When a user receives a file in OLM format from others and wants to open it in their window system.

Top Methods to Convert Files OLM to PST

The best 02 methods are available to import OLM to Outlook Windows. Here, we will discuss the top solutions to export OLM to PST i.e. Manual and Professional methods. But a manual method is a time-consuming process and requires more technical skills. Let’s discuss the manual method first.

1 Method: Convert OLM to PST Manually

Before performing this manual method users must keep a backup of their OLM files. The manual method has four steps that are listed below:

  1. Setup of IMAP account.
  2. Setting up Mac Outlook with IMAP account.
  3. Export emails from Outlook to IMAP account.
  4. Synchronize the IMAP account with the Outlook account of Windows and copy all the emails.

Now, let’s discuss them all in detail.

Step 1: Setup of IMAP Account

To set up the IMAP Gmail account, follow the below procedure:

  • Firstly, create the new Gmail account and then, go to Settings.
  • Select the Settings option and click Forwarding and POP/IMAP.
  • Now, enable IMAP Access and Save all the changes.

Step 2: Setting up Mac Outlook with IMAP Account

To set up Mac Outlook with IMAP Account, follow the below procedure:

  • Open Mac Outlook in your system.
  • If you are adding the first account then follow the prompts. Else go to step 3
  • Select the Tools option and then click Accounts.
  • Select the (+) sign option > New Account.
  • Enter the email address of the account.
  • Follow prompts for the completion of account setup.

Step 3: Export Emails From Outlook to IMAP Account

  • Open Mac Outlook in your system.
  • Now, right-click on any mailbox that you want to move. Click Move > Copy to Folder option.
  • After that, write the name of your IMAP folder and click the Copy button.
  • Click the Send/Receive button after copying the selected mailbox items to the IMAP mailbox, and update your Mac Outlook IMAP folder.

Step 4: Synchronize the IMAP Account With the Outlook Account of Windows and Copy all the Emails

This is the final step of this method. In this step, you must synchronize your Outlook client on Windows PC with the same IMAP account you created in Gmail.

  • Set up the same Gmail IMAP account that you created on your Windows Outlook client.
  • By drag and drop you can move the emails from your IMAP account to your Windows Outlook Inbox Folder.

Above we explained the step-by-step working of the manual method for How to open OLM files on Windows. But sometimes the user faces problems with the manual method because the manual method is very complicated and dependent upon internet speed.

If the manual method is performed incorrectly, then the OLM file might even get corrupted due to which the chances of data loss increase.

2 Method: Convert OLM to PST Professionally

OLM Converter is one of the best and most trusted tools for moving OLM files to PST format without any prior technical expertise. Even if your OLM files get corrupted due to any reason then you can easily import email messages and other data from Mac Outlook to Windows Outlook. It also converts the OLM to CSV, MBOX, EML, etc.

Step-By-Step Procedure to Convert OLM Files to PST Format Professionally

  1. You have to download, Install, and Run the OLM Converter tool.
  2. Select File Options and browse the OLM file. You can select single or multiple files according to your choice.
  3. Now choose the email that you want to convert OLM to PST from the tree structure.
  4. Then, choose the PST file format from the Saves/Backup/Migrate As option from the dropdown list.
  5. Next, Click on Path to Save and select the location where you want to save the resultant file.
  6. Lastly, click on the Convert button for starting the OLM to PST conversion process.


In this article, we have discussed the top two methods to convert OLM to PST. You can opt for any method according to your choice. Additionally, we also discussed the OLM tool which is recommended by professionals to export the OLM files to PST files. I believe that this blog is helpful to you.

Frequently Asked Questions

Q. How do I convert multiple OLM files to PST?

Ans. By using the OLM Converter tool you can easily convert multiple OLM files to PST. This tool provides a feature of conversion for single or multiple files, along with this you can also export OLM files to 10+ file formats.

Q. Does this tool convert files with attachments?

Ans. Yes, this tool can also convert OLM files to PST with attachments. This tool can easily export emails, calendars, contacts, tasks, notes, and mailbox items into other file formats.

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About The Author:

As a Technical expert, I love to write blogs on email migration, data recovery, and cloud migration. In my free time, I like to research new things related to technology.

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