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Convert OLM to PST with 3 New Secure and Easy Solutions

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Published By Jamie Kaler
Rollins Duke
Approved By Rollins Duke
Published On April 9th, 2026
Reading Time 8 Minutes Reading
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Finding a secure way to convert OLM to PST file? Stop searching, you have reached the right page. On this page, you will get three best methods to convert OLM file to PST.

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This guide is useful for Mac Outlook users & IT admins who want to convert their OLM file to PST format. To export OLM to PST, we first sync IMAP account with Outlook for Mac, then use same IMAP account on Outlook Windows, & then export it to PST. We are using Outlook, an IMAP account, and Google Drive to get the job done for free. However, these free methods are not secure, they contain multiple steps, which are not useful for bulk processing. Secondly, the manual methods are prone to human error & time-consuming.

Professional users prefer OLM to PST converter on Mac & Windows for risk-free, secure, & quick, hassle-free results. Whether they are temporarily switching from a Mac device to Windows, changing their job, or doing so for compliance purposes. They opt for an automatic solution to get the job done securely, accurately, & simply.

The use of freeway methods to convert Outlook OLM to PST often fails to complete the task & does not ensure data integrity. However, if you still want to use freeways for OLM file to PST, then get ready to face the challenges occurs by manual workarounds.

Convert OLM to PST File Format Manually

OLM is a proprietary format of Outlook Mac. Therefore, we cannot directly convert OLM to PST without tricky techniques. In this guide, we will use IMAP & Google Drive to export OLM to PST. Apart from this, we will share two manual methods to export Outlook for Mac OLM files to PST. Firstly, we explain conversion process with the use of IMAP account, then we use Google Drive to change OLM to PST. So, follow the steps and instructions carefully in the upcoming sections below to complete the conversion of OLM to PST for free.

1st Method: Convert OLM to PST on Mac Using IMAP

In this method, we are using a Gmail account on behalf of an IMAP account as a mediator, which makes a bridge between Outlook for Mac and Windows. This solution is divided into five steps, so follow all of them carefully to change OLM to PST file.

1st Step: Configure Gmail in Mac Outlook

  1. Open Outlook on Mac device.
  2. Click on โ€œToolsโ€ menu, and select โ€œAccounts.โ€
  3. Then, select โ€œEmail,โ€ option, enter โ€œGmailโ€ account, and click on โ€œAdd.โ€
  4. After that, create a โ€œFolderโ€ in configured Gmail account.

2nd Step: Import OLM File into Mac Outlook

  1. Now, select โ€œFile,โ€ choose โ€œImportโ€ option, and click on โ€œOutlook for Mac Data File (.olm).โ€
  2. After that, select โ€œOLMโ€ file, and choose โ€œImportโ€ button.
  3. Done! Now, wait for it to finish.

3rd Step: Sync OLM Emails with Gmail

  1. โ€œDragโ€ & โ€œDropโ€ emails from Mac Outlook inside โ€œGmailโ€ folder.
  2. Done! Wait for automatic syncing to completely finish.

4th Step: Set Up Same Gmail Account in Windows Outlook

  1. Open Microsoft Outlook on Windows Operating System.
  2. Then, click on โ€œFile,โ€ and click on โ€œAdd Accountโ€ button.
  3. Now, enter the login credentials of โ€œGmailโ€ account on Outlook Windows and click โ€œConnect.โ€
  4. Done, wait to sync the โ€œGmailโ€ account on Windows Outlook environment.

5th Step: Export PST File from Windows Outlook

  1. Go to โ€œFile,โ€ choose โ€œOpen & Export,โ€ and click on โ€œImport/Export.โ€
  2. Then, choose โ€œExport to a fileโ€ option, and hit โ€œNext.โ€
  3. After that, select option โ€œOutlook Data File (.pst),โ€ and click โ€œNext.โ€
  4. Choose the โ€œFolderโ€ where your OLM email data is stored, and hit โ€œNext.โ€
  5. Then, click โ€œBrowseโ€ button, choose the โ€œLocationโ€ to save โ€œPSTโ€ file.
  6. Finally, hit the โ€œFinishโ€ button to complete the export OLM to PST.
  7. Outlook will create the PST file, which you can now use on another system.

2nd Method: Convert Outlook OLM to PST with Google Drive

This method is divided into six complex steps. To use this, read and apply all the steps carefully.

1st Step: Drag & Drop Outlook Emails into Local Folder

  1. Open Microsoft Outlook application on your Mac Device.
  2. Go to โ€œInboxโ€ or โ€œSentโ€ folder of mailbox, and select the emails you want in PST format.
  3. Now, create a โ€œFolderโ€ on MacOS, and โ€œDrag & Dropโ€ Selected emails into โ€œLocal Folder.โ€
  4. Repeat this process multiple times for each email.

2nd Step: Upload Folder to Google Drive

  1. Open โ€œGoogle Chromeโ€ or โ€œSafariโ€ browser on your Mac Device.
  2. Search for โ€œGoogle Driveโ€ and open it.
  3. Now, simply โ€œDrag & Dropโ€ that โ€œLocal Folderโ€ into โ€œGoogle Driveโ€ environment.
  4. Wait for completion of โ€œUpload.โ€

3rd Step: Download Uploaded Folder on Windows

  1. Open โ€œChromeโ€ or โ€œEdgeโ€ browser on Windows Operating System.
  2. Find โ€œGoogle Driveโ€ and open โ€œGoogle Driveโ€ on the tab.
  3. Now, locate the recent โ€œUploadedโ€ folder on Google Drive.โ€
  4. After that, download the recent โ€œUploadedโ€ folder on your Windows.

4th Step: Open Emails on Windows Outlook

  1. Open Microsoft Outlook on Windows PC.
  2. Create a โ€œFolderโ€ inside the Outlook account.
  3. After that, open the downloaded folder on your Windows.
  4. Then, right-click on each email individually, and choose option โ€œOpen with.โ€
  5. After that, choose โ€œOutlook Classicโ€ option from the list of applications.
  6. Wait for few seconds to open.

5th Step: Move Emails into Outlook Folder

  1. Click on โ€œFileโ€ option, and choose โ€œMove to Folder.โ€
  2. Then, select the โ€œOther Folderโ€ option from the โ€œDropdown.โ€
  3. After that, choose the โ€œFolderโ€ you created, and click โ€œOK.โ€
  4. Done, now repeat this process for every individual email which are stored in the download folder.

6th Step: Export Folder in PST Format

  1. After moving all the emails into Outlook Windows account folder, you only need to export that folder in PST.
  2. Simply, click on โ€œFile,โ€ select โ€œOpen & Export,โ€ and choose โ€œImport/Export.โ€
  3. Select option โ€œExport to a file,โ€ and click โ€œNextโ€ button.
  4. Then, choose โ€œOutlook Data File (.pst)โ€ option, and hit โ€œNext.โ€
  5. After that, select โ€œFolderโ€ where you moved your email from, download โ€œFolder,โ€ and click โ€œNext.โ€
  6. Hit โ€œBrowseโ€ button, set the โ€œLocationโ€ to store โ€œPSTโ€ file.
  7. Lastly, click โ€œFinishโ€ button to complete the process.
  8. Done!

Why Manual Workarounds Are Not Useful to Export OLM Data to Outlook PST?

  • Both manual methods involve multiple steps, which make conversion process lengthy & inefficient, especially for bulk email data.
  • First & Second methods are not straightforward. Both require technical knowledge & careful execution of each step.
  • The use of drag & drop method can create a risk of losing email attachments, metadata, or entire emails. It also fails to sync in case of multiple emails.
  • You often need to move emails folder-by-folder & email-by-email, which is a highly impractical & boring task in case of large datasets.
  • To use both methods, you require both Mac and Windows computer systems, along with Gmail and Google Drive.
  • Uploading, downloading & syncing need a stable and fast internet connection to convert OLM to PST, a slow connection will fail during the conversion.
  • Both methods have multiple steps, which you might skip or forget to attempt, due to which your conversion will be incomplete.

These were the drawbacks of both manual methods that you should know before using both of them.

Convert OLM File to PST without Outlook with Use of Automatic Solution

If you feel you are unable to apply the manual workarounds, or you made mistakes while using both methods to convert OLM to PST, then you can try deeply engineered, SHA-secured OLM Converter Toolkit by MailsWare for Mac and Windows. This is the desktop-based offline solution, which can convert OLM file to PST in batches while running in offline mode. Secondly, this expert solution can convert corrupted OLM files to PST with complete data integrity & folder hierarchy during the conversion process.

Quick Steps of Automatic Solution

  1. Open the OLM to PST converter tool on your computer.open the tool and click next
  2. Then, select folder or file option and click โ€œNext.โ€convert olm to pst
  3. Now, select the folders of your Outlook Mac, and hit โ€œNext.โ€convert outlook olm to pst
  4. After that, set โ€œPSTโ€ as saving option, with โ€œFile Destination.โ€export olm to pst
  5. Finally, click on โ€œConvertโ€ button to start the conversion process.OLM to PST converter
  6. Done! Your Outlook for Mac files is started convertingOLM files started converting

Advantages of OLM to PST Converter Software

  • You can convert OLM files into more file formats, such as MBOX, EML, TXT, HTML, and 29 others.
  • This OLM converter maintained full data integrity during the complete conversion process and kept the original folder structure while converting OLM file.
  • The use of OLM to PST converter tool saves users time and effort while converting multiple OLM files at once.
  • Its user interface and experience make this tool simple to use, which complete data security.

Final Thoughts on How to Change OLM to PST

At the conclusion of the blog on the topic of how to convert OLM to PST on Mac. We have shared two manual methods to export OLM to PST. Using both free methods to convert Outlook OLM to PST is fine, but according to their limitation its time-consuming, lengthy, and it has multiple steps which might be confused non-technical users.

If you want hassle-free, quick, secure results you can try experts recommended, an automatic solution to convert bulk OLM files at once.

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