Export Outlook 365 Emails to EML – Complete Guide

Written By Loic Traves
Approved By Mithilesh Tata
Updated on December 31st, 2025
Reading Time: 4 minutes

User Query: I am an Outlook 365 user from California, and I urgently need to export all my Outlook 365 emails to EML format. Can anyone tell me the easiest and most reliable way to do this without losing attachments?

Overview:The above anonymous user asked for a way to export Outlook 365 emails to EML. Do you also want a solution for the same? If yes, no need to search more. This blog is the right place for you. Here, we will discuss two effective ways to export your Outlook 365 emails to EML, including ConverterTools Office 365 Converter, along with a proper step-by-step tutorial for successful exporting. To get more insights into the whole process, continue reading this write-up.

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Key Reasons to Convert Office 365 Mailbox to EML

Among a large number of relevant reasons for conversion, some of the most important ones are discussed below:

EML files keep the formatting, metadata, as well as the original structure intact.
As EML files are lightweight, they are portable across many other devices without requiring much storage.
The conversion process allows you to organize your EML files.
Also, this file format supports backup and archiving of important emails.
Moreover, you don’t need Outlook 365 to access EML format files.

Practical Techniques to Export Outlook 365 Emails to EML

Here, in this section, we will discuss two conversion techniques to Save Office 365 mailboxes as EML Files. The first one is an automated software, whereas the other one is a manual solution. You can pick any one of the two, as per your needs.

Technique 1: Using ConverterTools Office 365 Converter

The ConverterTools Office 365 Converter is the fastest solution to export Outlook 365 Emails to EML. You can effortlessly convert all your Office 365 emails to EML File Format, that too without compromising on data integrity( no data loss or corruption). This software offers you some advanced built-in features like Mail filter, Date Filter, and many more. Not just EML, this software allows you to export Office 365 to MSG, PST, MBOX, PDF, and many more File Formats. Now, let’s perform the conversion, following the steps given below:

Quick and Simple Steps to Perform Office 365 to EML File Export

Start the ConverterTools Office 365 tool on your PC and select the Backup option.

Now, click on the Continue button.

After that, simply input your Office 365 credentials to sign in and hit Next.

Then, pick your desired folder whose emails you want to convert.

Now, just select and cross-check your desired emails, and click next to proceed.

Simply, select EML under the Saves/backup/Migrate As option.

You can use the built-in features provided if needed, and hit the Convert button.

Note: This method is the quickest available method to Export Outlook 365 Emails to EML. Still, in case you have decent technical skills and can convert emails one by one to EML Format, you can proceed with the manual method.

Technique 2: Manual Convert Office 365 Mailbox to EML

You can manually convert an Office 365 mailbox to EML with the help of Outlook. However, this process requires you to install Outlook on your system—without it, you can’t proceed with this method. Still, if you want to pick this method, make sure to first set it up before starting the export process. To avoid any data loss or corruption during the export process, carefully follow the step-by-step instructions provided below.

Firstly, install the Outlook application on your system.
Then, Run the Outlook Application.
After that, navigate to your inbox to check your desired email.
There, find the specific email you wish to save in EML Format.
Now, click on that email to open it.
Next, you will see a three-dot icon; click on it.
Finally, hit the Save button.

Conclusion

In this write-up, we covered the two most effective methods to export Outlook 365 emails to EML: the ConverterTools Office 365 Converter tool and a manual one. The software will work best for you if you need to export large volumes of emails in bulk without any risk of data loss. The second is the manual method, which can be a good option if you only need to convert a few emails and have a decent amount of technical skills. You can pick any of the solution that fits your needs and comfort level. For answers to common queries, don’t forget to check out the FAQ section below.

Frequently Asked Questions:

Q.1 What is the EML file format in email clients?

Ans- EML is a standard email file format supported by MS Outlook. It stores individual emails with headers, attachments, and formatting, allowing ease of use across multiple email applications.

Q.2 What is the best way to access EML files after export?

Ans- The best way is to use the supported clients like Outlook or Thunderbird. However, you can use the Office 365 converter tool for convenient export and access without compatibility issues.

Q.3 Which email clients support opening EML files?

Ans- Popular clients such as Microsoft Outlook, Mozilla Thunderbird, Apple Mail, and Windows Live Mail support opening EML files without requiring extra conversion.

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About The Author:

Loic Traves

Loic Traves is a seasoned technical expert who has helped thousands of clients with Microsoft Outlook and various cloud-based email platforms. He enjoys writing about email client backups and migration processes. Passionate about supporting users in need, he strives to provide the latest insights, clear explanations, and practical, user-friendly solutions.