3 Best Methods to Convert PST to EML Files with Easy Steps

Summary: Both PST and EML are the most popular file formats among users and are efficient enough to store email messages and attachments files. However, Microsoft uses or supports PST files only, and EML files are compatible with different web & cloud-based email clients like Thunderbird, Outlook, Gmail, WLM(Windows Live Mail), Apple Mail, and Outlook Express. So, many users seek solutions to convert their Outlook PST files into EML file format. In this blog, we will discuss the three best methods to convert PST to EML file format. Apart from the manual ways, you can also rely on the Outlook PST File Converter tool, which lets you convert PST files to EML in bulk, including the attachment files.


What are PST & EML Files?

PST Files are file formats to store data and items such as email messages, calendars, events, and contacts. By using Microsoft Outlook it can be created to move or copy Emails, Attachments from your Server Mailbox account to your local PC. But PST data files are Microsoft Outlook proprietary files and can’t be opened in other programs.

EML files can be opened in various email clients and are very useful formats for saving separate messages from various email systems. Before converting PST to EML, let us look over possible reasons for converting PST Files to EML files format.

Why Need to Convert PST to EML File?

Everyone has different demands, requirements, and circumstances to export PST to EML. The following are the possible reasons:-

  1. EML files are easy to store and access.
  2. The second reason is that EML files support multiple Operating Systems and are compatible with email clients like Mozilla Thunderbird, WLM(Windows Live Mail), Apple Mail, and Outlook Express.
  3. The EML files are very useful while transferring single emails.
  4. It can be opened in web browsers(by changing the file extension to .mht).
  5. PST file stores email messages, contact, calendar, tasks, and journals, while EML files have mostly message data, including attachment files only.
  6. Another reason is EML file size is small and can be easily imported from the EML files to other clients, but on the other hand, a PST file is an Outlook data file; its size may be large.

3 Best Methods to Convert PST to EML Online

As a user, you have 3 best methods to change PST files to EML,i.e. Manual and Professional solutions. Some methods are free to use, but one is paid. Firstly, we will discuss the manual method and then move to professional methods.

Method 1: Convert PST file to EML for Free Using Outlook

MS Outlook offers a drag-drop feature allowing users to drag and drop one object to another. That’s how you can save the PST file containing email messages in the EML format. Following are the steps for PST to EML conversion:-

  • Open the Outlook Application and select the desired Outlook email messages.
  • Now, you can drag and drop the email messages you want to convert to EML file format on your desktop.
  • In the end, you will find that the notes are saved in the .eml extension.

Method 2: Convert PST to EML Online Using Mozilla Thunderbird

Mozilla Thunderbird is a free, open-source cross-platform and the best manual method for converting your PST files to EML. Below mentioned steps are for converting the PST files to EML:-

  • Open Mozilla Thunderbird Application, click on the Tools, and select the Import option from the list.
  • Now, Choose the required data and click on Next.
  • After That, select Outlook and then click on the Next button.
  • Wait till the process is completed.
  • Now, choose the desired emails and click on the Save button.
  • Then, download the emails at the location wherever you want to download them.
  • Afterward, go to the Menu icon and select Tools >> Import.
  • Here, you can choose what you require and then click on Next.
  • From the Import section, choose Outlook and click Next.
  • The import of emails starts and then click on the Finish option.
  • Select all the emails and click on Save as an option.
  • Now, you set the folder path for saving the email messages in EML format.
  • Then Finally, all your email messages are converted into EML format and saved separately.

Restrictions of Manual Methods

  • The user must have the technical knowledge to use the manual methods to convert PST files to EML format.
  • Manual methods are very time-consuming as users have to repeat the task every time.
  • The user can also encounter data integrity-related issues in the resultant files.
  • Users can face problems with corrupted .pst files.
  • The chances of corruption of Outlook PST files are higher during conversion.

Method 3: Convert PST to EML Using the Automation Solution

To execute the task professionally, the Outlook PST converter Tool has all desired features. PST to EML Converter Software is the most effective and trusted software to convert single and multiple PST files to EML. This software also converts PST to MBOX, TXT, MSG, HTML, EMLX, etc., file formats with no hassle.

Salient features of PST File to EML Converter Free

  1. This software supports all the Outlook versions of PST files.
  2. It Converts Outlook Email to PDF, HTML, MSG, CSV, MBOX, MHTML, and other formats.
  3. The UI and working of this software are very simple so that every technical and non-technical user can easily convert from PST files to EML files.
  4. There is no need to install MS Outlook on your PC to convert the PST files.
  5. This tool is supported with all Windows OS versions.
  6. The Date-Range feature is useful to sort email items by providing the start and End date.
  7. Now Free version of PST Converter is available to determine the features and working of the software.

How do I Convert PST to EML Professionally

Below are the few steps you need to follow to convert your Outlook PST to EML files:-

  1. Download, Install, and Run the Outlook PST Converter Tool as administrator.
  2. Now, choose the Select Files or Select Folders option to browse the PST files.
  3. Choose the PST file from your system that you want to change into EML, then click the Next button.
  4. Choose the Backup as EML from the drop-down.
  5. Select the features according to your requirements.
  6. Tap Convert to begin the PST to EML conversion process.
  7. Finally, your PST files are converted to EML files.
  8. In the last, You can download the process Report.


This blog covers all the details to convert PST to EML, starting with why and ending with how. All the methods are result oriented and give a satisfactory result. Outlook PST Converter Tool has highlighted features that are mentioned above. So, we recommend you use this software. A free demo version of this software is also available to cross the software.

Frequently Asked Questions

Q. Can we convert multiple PST files to EML?

Ans- Yes, you can convert multiple files to EML by using Outlook PST Converter Tool. Furthermore, Single File or Multiple Files/Folder options are available to browse the PST files.

Q. Does this tool convert encrypted PST files?

Ans- No, this software does not allow users to convert encrypted PST files. However, if you need to convert the password-protected PST files, you first need to use the Aryson PST Password Remover Tool to remove the encryption and then convert the same.

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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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