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How to Import EML to Office 365 User & Admin Accounts?

  author
Published By Jamie Kaler 
Rollins Duke
Approved By Rollins Duke
Published On April 1st, 2025
Reading Time 6 Min Read

Do you have multiple EML files to import into Office 365 account directly? Then you land on the accurate and related page. we are going to discuss how to import EML to Office 365 using 3 best expert techniques. There are lots of queries for the same exist on the Internet and there is an unlimited number of solutions. But you know what? Still, users are facing a lot of issues while migrating EML to Office 365.

Read the complete blog, If you are finding a method for the same, then no need to worry. Just stay with this blog till the end and get the 100% desired results including manual and professional solutions.

EML is one of the default email-saving file formats for many desktop-based applications. It stores all the message information with its properties and inserts attachments. Various email clients support EML file extensions to store individual emails like Thunderbird, SeaMonkey, eM Client, Windows Live Mail, etc.

And, Office 365 is a cloud-based productivity service of Microsoft. The OWA is Web-based and browser-friendly which enables users to access the account at anytime from anywhere. Office 365 is universally accessible, and anyone can use it on various devices like Mobiles, Androids, Laptops, PCs, Mac machines, etc.

However, due to several reasons, users want to import EML to Office 365. So, some of the reasons are mentioned below for better understanding.

What Are the Reasons to Migrate EML to Office 365?

Integration with Office 365

Microsoft 365 is a part of the Microsoft 365 program which comes with several online productivity tools i.e. Excel, Word, Teams, OneNote, OneDrive, etc. Hence, the process to import EML to Office 365 is best to enhance productivity.

Professional Email Management

Office 365 is a robust cloud-integrated platform that allows you to manage emails, contacts, calendars, tasks, and notes in one place. Hence, the process of migrating EML to Office 365 seems perfect for organizing and accessing email communications.

Enhanced Security Features

Microsoft 365 offers enhanced security features to protect your crucial and confidential information like encryption, phishing protection, and malware scanning. So, your imported emails will be secured forever.

Easy Accessibility

As we have mentioned above Office 365 is a cloud-based productivity suite so you can easily access imported emails from anywhere using any device with an internet connection. Hence, a lot of users prefer to import EML to Office 365.

Advanced Search Capabilities

Microsoft Office 365 provides advanced and powerful search capabilities which are limited to locally stored EML files. So, after migrating EML files into Office 365, you can take advantage of advanced search functionalities.

How to Import EML to Office 365 Manually?

You can migrate EML to Office 365 account using Outlook and Thunderbird applications, which are desktop-based services. And these both email clients support EML and Office 365 platform, so users can easily open files.

#1: Use Outlook (Desktop) to Migrate EML to Office 365

This method divided into three parts and each part is described below with all information and steps:

Step 1: Connect Office 365 to Outlook

  1. Start the process with Outlook opening.
  2. Go to the “File” tab and “Add Account” button.

    add account

  3. Now we will setup accounts manually.

    setup accounts manually

  4. Choose the third “POP or IMAP” option.

    imap

  5. Provide the login details of the O365 account.

    login details

  6. Go to the “Outgoing” tab and select the showing option in the image.

    outgoing

  7. Now head to the “Advanced” tab and enter the server details.

    advanced tab

  8. Come to the main screen and hit on the “Next” icon.

    main screen

  9. Tasks are completed and choose the “Close” button.

    Tasks are completed

Your connected O365 account will show in the Outlook application with all folders to import EML to Office 365.

Step 2: Import EML Files to Outlook

  1. Go to the location where EML files are stored.
  2. Right-click on the EML file and choose “Open” with > “Outlook”.
  3. Choose the “Move” button and select a folder to move EML file.

After uploading your EML files, you can drag and drop the EML files into Office 365 account or you can move them.

#2: Migrate EML to Office 365 using Thunderbird

  • Step 1: Add an Office 365 account in Thunderbird using IMAP.
  • Step 2: Create a new folder in configured Thunderbird account.
  • Step 3: Drag and drop EML files into a recently created folder.
  • Step 4: The EML file synchronization process will begin.
  • Step 5: See EML folder in Office 365 once synchronization is completed.

What Are Manual Method Limitations?

  • The manual methods are only suitable for importing a few EML files to Office 365.
  • The first manual technique allows to moving of EML files in a folder one by one.
  • It requires knowledge of drag and drop, account configuration, creating folders, and IMAP.
  • This is a highly time-consuming technique, so this is only recommended for home and personal use.
  • These manual approaches are not suitable if someone prefers to bulk import EML to Office 365.
  • These are completely hand-driven techniques, so you need to complete every step.

Similar Blog:

How to Import EML to Office 365 Account Directly? Alternate Solution

If you are a business professional and think manual techniques are not enough for you then you can try pro tools to batch migrate EML to Office 365 account. RecoveryTools developed an excellent solution to fulfill your requirements about migrating EML to Office 365 account.

EML converter software is a perfect solution that has a direct option to import EML to Office 365. Just download the free demo version of this software and check it out. The tool supports EML files of all email clients and cloud services. You need to choose Office 365 as the preferred saving option then you can easily complete the process effortlessly.

How to Import EML Files into Office 365

Manual Methods Vs Pro Method

Feature Manual Methods Pro Method
Ease of Use Simple and Easy to Understand GUI Manual methods require technical knowledge
Batch Import Support limited importing Compatible to bulk import EML files into Office 365
Standalone Utility No, Thunderbird or Outlook should be installed Yes, this is a standalone software to open EML files into Microsoft 365
Advanced Filters No Multiple advanced filters
Security Limited security High-level security
Technical Support No support is available 24-hour technical support
Cost Free methods Pocket-friendly price

Popular Questions with Answers

Q 1: Is it possible to import EML files into Office 365 with attachments?

Yes, all the above-mentioned approaches maintain all types of attachments while completing.

Q 2: Which is the best way to import EML files into Office 365 free?

You can use Thunderbird as a mediator program to free open EML files into Office 365 because Thunderbird is an open-source client.

Conclusion

In this informative guide, you will get the top 3 ways to resolve how to import EML to Office 365 account. All are tried and tested approaches and highly recommended by experts. We have also explained a detailed comparison with limitations and benefits. You can for opt any technique according to your convenience to migrate EML to Office 365.

Export Your Microsoft 365 Emails to EML Format in Bulk