How to Convert OLM to PST File Format? – A Complete Solution

  Rollins Duke
Rollins Duke   
Published: June 19th, 2025 • 9 Min Read

As technology advances, businesses and individuals are looking for efficient ways to manage their data, especially email database. Email migration is a common practice in recent times and moving data from one platform to another can be a challenging task if not done carefully. Lately we’ve been receiving many queries on how to convert OLM file into PST as there is no direct method available to convert directly. OLM files are specific to Outlook for Mac, while PST files are proprietary to Outlook for Windows. In case a user needs to access their OLM files on a Windows computer, they need to first convert OLM to PST. This article will provide a comprehensive guide to export OLM to PST using both an advanced and manual approach.

Outlook for Mac stores complete email data including emails, attachments, contacts, calendars and other data in OLM file. Since it doesn’t provide any direct solution to convert OLM to PST, we have developed an advanced tool for Mac OLM to PST conversion. BitRecover OLM to PST Converter software is one trusted and reliable solution and always recommended by experts. The tool allows users to perform the conversion process hasslefree, without any constraints. The tool can convert OLM files to PST files with complete data without any loss. Moreover, it also supports a wide range of OLM files, including the corrupt and damaged files. The application is user-friendly and designed for all kinds of users, technical or non-technical.

Step to Swiftly Convert OLM to PST Outlook

  1. Download and install OLM to PST converter.
  2. Launch the converter and select the OLM file that you want to convert.
  3. Choose the PST file format as the output format.
  4. Specify the destination folder for the converted PST file.
  5. Click the “Convert” button to start the conversion process.

This article will provide an insight on how to convert OLM file into PST using both manual methods and advanced software recommended by experts. We will walk you through the complete guide to export OLM to PST with complete data.

As we are aware that Mac Outlook creates OLM file format to store Outlook for Mac data with complete information and on the contrary Windows Outlook creates PST format.

In many situations, users need to convert OLM to PST file format due to various factors like:

  • Users are switching from Mac for Outlook to Windows systems.
  • Users may have orphan OLM files in the Windows system which they need to access based on their needs.
  • Users with Windows Outlook often receive files in OLM format. In order to read it they need to convert OLM to PST.

Method-1: Use OLM to PST Converter Software

Automated Solution: Users of all kinds, professional or domestic can use BitRecover OLM Converter to export their OLM files including other data like contacts and calendars to PST format without any hassle or difficulties. The software offers more than 14 saving format options, and users can convert OLM files to EML, HTML, MBOX, etc. You simply need to click on the download button and run a few steps to convert OLM to PST.

Users can also use the free trial version of the software to convert OLM to PST which includes emails, tasks, calendars, contacts and more. If satisfied with the tool, they can purchase the utility to unlock more advanced features.

Trial Version: Download the free demo version and explore the advanced features of the application. It will offer to convert the first 25 items from OLM into PST file format. You can purchase the full version of the software to bulk export Outlook for Mac OLM files to PST and other formats supported by the application.

Full Version: Migrate all the Mac Outlook Mailbox from OLM to PST format.

Exclusive Features of OLM to PST Converter Software

Following your understanding of the tool, let’s discuss one of the most advanced features of the software.

  • The OLM to PST Converter tool supports all versions of MS Outlook. It is compatible with Outlook 2019, 2016, 2013, 2011, 2010, 2007 and below versions.
  • The software is an independent utility and doesn’t need any third-party installation in order to convert OLM file to PST file format.
  • The versatile tool offers more than 14 popular export options besides PST. So, if required users can convert OLM files to PDF, EML, HTML, etc.
  • The utility helps you select specific email data like selective emails, or contacts or calendars as per user’s requirement which prevents unnecessary conversion, saving user’s time, effort and storage space.
  • Although the software is capable of transferring all mailboxes from Outlook OLM to PST format, it also provides an option to export selected items from OLM to PST format.
  • The tool has no file size limitation, hence, users can export the database from OLM to PST file format, regardless of its size. It converts large mailboxes efficiently, ensuring no corruption possibility.

Method-2: Convert Mac Outlook to PST Manually

Under this method, we will use a Gmail account to export Mac OLM to PST file format. Follow the below steps to facilitate the conversion process.

Note: Since Google doesn’t support less secure apps service anymore, users need to enable IMAP access and generate app password to prevent authentication errors.

Part-1: Configure Gmail into Mac Outlook

Important Note: Create a New folder in Gmail account.

  1. Firstly, open Mac Outlook and go to the Tool bar.
  2. Next, choose Accounts >> Email, enter the Gmail credentials and hit the Add button.
  3. Now, your Gmail is successfully added to Outlook for Mac.

Part-2: Move Mac Outlook Emails to Gmail

  1. Firstly, drag the desired emails from the Mac Outlook account.
  2. Then, drop the emails to the newly created folder in your Gmail account in Outlook for Mac. 
  3. Now, the emails will automatically be synced. 

Part-3: Set Up Gmail Account in Windows Outlook

  1. Firstly, open Microsoft Outlook for Windows on your system.
  2. Next, click on the File >> Account Settings >> Account >> Email tab >> New option.
  3. Now, select the “Manual setup or additional server types” option and hit the Next button.
  4. Then, choose POP or IMAP to set up your accounts and click the Next button.
  5. Lastly, enter your Gmail account login credentials like email address and app password to proceed further.

Part-4: Move Gmail Data to Windows Outlook Account

  1. Now, that your Gmail account is configured into Microsoft Outlook, you can drag your emails from your Gmail account.
  2. Then, drop the emails to the new folder in the Outlook account to convert OLM to PST. 

Part-5: Convert OLM to PST Format

  1. Open Windows Outlook email client on your PC.
  2. Next, choose the File >> Open & Export >> Import Export option. 
  3. Now, select the Import from another program or file option and click the Next button.
  4. Then, select the Outlook Data File (.pst) option from the list.
  5. Next, select the desired location to save the converted files and press the Next icon.
  6. Finally, select the data to convert OLM file 
  7. Finally, select the data to export OLM to PST.

Limitations of Manual Method

  • The manual method requires dependency across two email clients- Outlook for Mac and Windows Outlook and also involves multiple steps, making the process lengthy and complex.
  • It is highly risky for users with large amounts of data as drag and drop of emails can be a risky and time-consuming task.
  • The manual method doesn’t offer batch conversion, for which users need to manually convert large mailboxes one by one.
  • Another significant drawback of manual approach is that it doesn’t support the conversion of calendars, contacts, tasks, notes. Only emails can be exported using the manual steps.
  • It doesn’t guarantee to preserve the data integrity and folder hierarchy of emails as original. It can disturb the elements during the conversion process.
  • Using the manual method, users cannot export selective data based on their requirement like just the calendar or the contacts from OLM to PST and may end up converting unnecessary data.
  • Users need high technical knowledge and practice in the data migration area to convert OLM to PST manually, as it involves complex steps like configuration of accounts and drag and drop manually.

Frequently Asked Questions by Client

Q: How can I convert OLM to PST files?

A: Simply follow these easy steps to Convert OLM files into PST file format.

  • Run BitRecover OLM to PST Converter tool
  • Browse the OLM files for exporting in PST format
  • Check specific OLM folders and PST as saving format
  • Select the destination path and hit on the Convert button

Convert OLM to PST successfully.

Q: Does the tool export Outlook OLM file to PST including attachments?

A: Yes, our expert team has developed this utility to convert OLM file to PST in such a way that it creates a separate folder for storing the email attachments during the conversion procedure.

Q: Can I move multiple OLM file messages to PST format at once?

A: Yes, the OLM to PST Converter application provides a dual-mode conversion option. With the help of this utility, you can add a folder to transfer numerous email items in Outlook PST at once.

Ending Words

In the following article, we provided a comprehensive solution for our users who are looking to convert OLM to PST format without facing any issues. Although the manual method is free of cost it comes with several limitations and risk of data loss and corruption. The OLM to PST converter tool is a seamless solution to export Mac OLM files to Outlook PST format in bulk with complete data quickly and efficiently.


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