Convert OLM to PST: Easy & Accurate Migration

What Are OLM and PST Files?

• OLM: Outlook for Mac data file, stores emails, contacts, calendar events, etc.
• PST: Outlook for Windows equivalent.

Why Convert OLM to PST?

Here are several reasons why users need to transfer OLM files to PST, such as:

Reasons	What It Means
Cross-platform use	It allows using Outlook on Windows or a PC.
Data Backup	PST is widely supported by many recovery tools.
Business transfer	Moreover, needed when switching teams or operating systems.

Manual Method to Convert OLM to PST

Since there’s no official or direct way to export Mac OLM to PST, users often rely on a few workaround techniques. After trying and testing different approaches, we’ve gathered some of the most effective manual solutions that can help you complete this task. Below are the simple different methods to perform this conversion.

Method 01: Convert OLM File to PST Using Outlook

If you have a good understanding of how to operate MS Outlook, you can use this method:

1. Run the Outlook application and click on File.
2. Then, choose Add Account and add the Mac Outlook account.
3. Again, go to the File section, and choose Account Settings.
4. Now, click on the Email section and add added account as default.
5. After that, select Open & Export and choose Import/Export.
6. Further, select Export to a file and click Next.
7. Afterwards, choose Outlook Data File and hit Next.
8. Check the files or folders that you want to convert. Press Next.
9. Finally, browse the location of the PST file and click Finish.

Method 02: Convert OLM to PST Using a Gmail Account

This method relies on syncing emails between Outlook for Mac and Windows Outlook using IMAP. While it’s not a direct conversion.

1. First, log in to your Gmail account. Click the Settings icon and select See all settings.
2. Go to the Forwarding and POP/IMAP tab. Enable IMAP and click Save Changes.
3. Next, open Outlook for Mac. Add your Gmail account using IMAP settings.
4. Wait until Outlook syncs with Gmail. This may take a few minutes.
5. Now, right-click your Gmail account in Outlook and create a new folder.
6. After that, select the OLM emails or folders you want to move. 
7. Then, right-click and choose Copy Folder into the new Gmail folder.
8. Further, allow time for Outlook to sync the copied data to Gmail.
9. Then, open Outlook on your Windows PC. Add the same Gmail account.
10. Now, go to File > Account Settings > Data Files and make Gmail default if needed.
11. Finally, choose Export to a file> Outlook Data File (.pst) and save your data.

Limitations:

The manual method is useful for OLM to PST conversion. But, it has several limitations, such as:

Issue	What It Means
Data size limitation	Gmail limits free accounts to ~15 GB
No contacts/calendar sync	Only emails and folders will transfer
Additionally, slow for large mailboxes	Syncing can take hours, depending on internet speed

Dedicated Software to Convert OLM to PST

Using a dedicated OLM to PST Converter Tool is the best option to convert multiple OLM files to PST without hassle. This tool is specifically designed to handle the conversion process with accuracy and speed. It preserves email formatting, folder structure, attachments, and metadata during the transfer. Additionally, it offers a user-friendly interface that simplifies the task even for non-technical users.

Along with that, with advanced features and error-handling capabilities. This software offers a smooth, secure, and complete data migration. Furthermore, the demo (Free) version of this top-notch utility is available to explore its features & functions. You can save 50 emails per folder with its demo version, with all its advanced features.

1. Firstly, download the DRS OLM to PST Converter Tool on your PC.
   
   



2. Next, choose: Select Files/Select Folder and locate the OLM files.
   
   



3. Then, you can preview & select the added OLM files to convert.
   
   



4. Choose Saving Format as PST from the drop-down list.
   
   



5. Lastly, apply advanced features & filters. Click Start Process.
   
   

Important Note: This tool helps you convert OLM to ICS and other formats.

Which Method is Right to Convert OLM to Outlook PST?

User Type	Manual Method	Professional Tool
Individual / Home	Yes	Yes
Small Business	Optional (It’s up to you)	Yes
IT Admin / Large Org	No	Yes (Batch Supports)

Best Practices for Clean Conversion

• Update your Outlook apps to the latest versions.
• Split large files (>20 GB) into smaller archives.
• Also, check logs or reports after conversion.
• Test by importing PST on Windows before deleting the original OLM.

Real-World Stats & Data

• The OLM file holds 20,000 emails, 2 GB per GB of size.
• Manual method success rates drop ~15% for files >5 GB.
• Alternatively, professional tools boast 95–99% item-level accuracy.

Conclusion

In this technical blog post, we discussed all the information to convert OLM to PST, including the manual method and a professional tool. If you prefer either the manual method or a professional tool, each method offers accurate results. Choosing the right method depends on your needs, file size, and the importance of data accuracy. Moreover, if you have any queries related to this guide, feel free to ask.

Frequently Asked Questions