How To Convert EML To PST Manually

Written By Rohan Wiese
Updated on January 30th, 2026

Michelle’s Query: A Few days back, our organization decided to switch to Microsoft Outlook, but I still have thousands of Thunderbird emails with attachments that I need to convert into a single PST file. Is there a reliable way to convert EML to PST without losing data or folder structure?

Summary: Do you also want to convert your EML files to PST format to access them on Outlook? No worries. You are not alone. Even large-scale companies choose to convert EML files to PST format. To help such organisations, this blog explains a manual approach and the use of the Aryson EML Converter for a quick conversion.

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Table of Contents

Why Convert EML to PST Files?

After conversion, you can easily access EML emails directly in Microsoft Outlook.
Users can easily combine multiple EML files into a single, manageable PST.
PST files are more secure & difficult to get corrupted.
Moreover, PST files are easier to back up & archive.
Also, it becomes easier to migrate from Thunderbird, Windows Live Mail, etc., to Outlook

From the above, it is very evident why organizations choose to EML to Outlook transfer.

Now, let’s move on to the actual conversion. Read the upcoming sections of the blog carefully to identify which conversion workflow suits your conversion needs the best.

All-In-One Solution to Convert EML To PST

It is difficult to manage multiple EML files; therefore, the Aryson EML Converter helps users convert their EML files to PST. This software allows IT admins to convert multiple EML files at the same time without any data loss. In addition, it consists of a preview panel for cross-verifying your selected EML files. You can also convert EML to PDF, MSG, DOC, DOCX etc. file formats. Also, this software provides the user with various built-in features like Remove Duplicate Mails, Skip Previous Migration, Custom Folder Name, etc. Irrespective of the technical expertise you have, you can perform the conversion process efficiently. Now, let’s have a look at the steps of conversion given below.

Simplified Guide to Convert EML To PST

Download the Aryson EML Converter >> launch it on the system.

Now, select Files/Folders to load the EML files you want >> & click Next.

Then, select EML files, preview the attachments>> click Next.

Now, mark the file formats radio button >> select PST as the file format.

If you require, you can use the built-in features available on the software.

Specify the path to save the output PST file.

Finally, hit the Convert Button to migrate EML to PST.

Additional Note: This method can efficiently convert your EML files to PST within seconds. Still, for users who prefer to perform conversion all by themselves, let me provide an alternate approach.

But remember, this approach requires the installation of Windows Mail & MS Outlook as a prerequisite for conversion. Also, you would require someone with hands-on experience in technical concepts.

Manual Method to Convert EML To PST

The manual approach includes the use of Windows Live Mail & Microsoft Outlook to transfer EML to PST. This conversion involves the use of the Import/Export Feature of Outlook. The conversion steps include the following steps

Step 1: Export Emails from Windows Live Mail

To begin, open Windows Live Mail on your computer.
Then, click on the File tab >> Export Email >> Email Messages.
After that, among all available options, select Microsoft Exchange >> click Next.
You will see a confirmation message on screen >> click OK to proceed.
Then, select the specific mailbox folders/files you want to export >> OK.
This will initiate the export process automatically.
On completion, the export wizard will display a confirmation message.
At last, simply click on the Finish button to close it.

Step 2: Import EML Files into Microsoft Outlook

Next, open the Microsoft Outlook application to import EML files into it.
Just go to the folder where you stored the exported EML files.
Select & hold the desired EML files
Now, drag & drop these EML files in the desired Outlook folder
Outlook will automatically add them to the mailbox.
This will convert EML files to PST format.

Conclusion

In the above blog, we discussed various reasons why a user would want to convert an EML file to PST format. Along with that, we also discussed a manual method & learned how to use the above automated solution in detail. This software is the quickest method available to perform the entire conversion without any data loss. To get a hands-on experience of the software, you can try the demo version, and in case of queries, you can reach out to our tech support team.

Frequently Asked Questions:

Q.1 What is the easiest way to convert EML to PST file?

Ans- The Aryson EML Converter is the easiest way to import EML to PST.

Q.2 Can I convert EML to PST manually without software?

Ans- Yes, you can convert EML to PST manually without software, but using the Aryson EML Converter is more secure.

Q.3 Is it possible to transfer EML files to Outlook directly?

Ans- Yes, it is possible to transfer EML files to Outlook directly, using the Aryson EML Converter.

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About The Author:

Rohan Wiese

As a lead technical writer, I know the technical problems faced by office and professional users. So, I decided to share all my technical knowledge through this blog. I love helping you with tough challenges when dealing with technical issues.