How to Easily Export Office 365 Email to EML?

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Updated on
September 11, 2025

7 minutes Read

User Query: ” I have to back up some of my important emails from my Office 365 account. But I want to store those emails in individual email files, for which the EML format will be best. Therefore, is there any simple and secure way to do so? “

Summary: Some users need to back up or share some important emails saved in Office 365. Thus, they look for a solution to convert their data into an easily shareable and accessible format. Significantly, if users want each email to be saved individually, they should choose to convert them into EML format. Therefore, this web article will enable the user to export Office 365 email to EML efficiently. Initially, individual users can opt for the manual conversion method. Later, the Office 365 Backup Tool will exhibit its proficient capabilities.

Office 365 vs EML File

Office 365 is Microsoft’s cloud-based platform capable of sending, receiving, and organizing emails. An EML file is like a snapshot of a single email, which saves the metadata of that message. Office 365 emails are tied to your Office 365 account and internet access. Whereas EML files can be moved or shared easily between devices or email clients.

Procedure to Export Office 365 Email to EML in bulk

  1. First, install and open the Office 365 backup tool on your PC.
  2. Then, choose modern authentication to sign in to your Office 365 account.
  3. After that, click the required mailbox from the given mail List, then click Next.
  4. Next, select the emails and folders required to convert from the tree structure, then click Next.
  5. Now, select the EML from the list of saving formats.
  6. Moving further, enable the advanced feature and browse the folder location to save.
  7. In the end, click Convert to commence the migration.

Motives to Export Emails from Office 365 to EML

  1. If the user exports EML files in bulk, it saves cloud storage by moving emails to a local system or drive.
  2. EML files allow users to store or archive individual emails instead of entire mailboxes.
  3. EML files have better portability than other formats and can be moved or shared between devices or email clients.
  4. Users can open or access EML files locally without an internet connection.

Preparations Before Starting the Migration

Please make sure that you make the following preparations before initiating the process to export Office 365 email to EML

  • Establish a secure internet connection
  • On Outlook web App, go to Settings → Mail → Sync Email → IMAP and make sure IMAP is enabled.
  • Make sure to verify and have the correct account credentials.
  • You must install the Thunderbird email client on your system.
  • Back up your critical data, to be free of worries.
  • Prepare a Destination Folder to save your EML Files.

Free Method to Export Outlook 365 Emails to EML

You can easily save your Office 365 email data in the EML format by following the procedure in this method. Here’s how:

  1. First, launch Thunderbird on your system and go to Menu → Account Settings → Account Actions → Add Mail Account.
  2. Then, enter the required Office 365 credentials and choose IMAP as the incoming server. Wait and click Done to finish setup.
  3. Once Thunderbird syncs your emails, open the folder that you want to back up.
  4. Moving ahead, select your desired emails and right-click them and choose Save As.
  5. At last, pick a folder on your computer to save these emails as .eml files and click Save.

Limitations for the Manual Method

Mentioned below are the challenges users face to save Office 365 to EML file format.

  • Large mailboxes usually take a long time to sync with this method.
  • Users will find this method time-consuming for exporting thousands of emails.
  • Large attachments sometimes fail to sync or download correctly.
  • This method is not recommended for professionals because it’s unreliable and slow.

Verified Approach to Export Office 365 Email to EML

The Office 365 Backup Tool streamlines and shortens the process of exporting Office 365 emails. It is packed with easy-to-use features, customization options, and consistent performance. Users may filter emails by date or folder, and choose whether to include or exclude attachments. This proves to be a perfect choice for personal or business requirements. In addition, the Office 365 Backup Tool allows users to save Office 365 emails as PDF or other file formats.

One-Time Service Option:

Don’t want to install any extra software? Just get in touch with our support team, and we can safely handle a one-time Office 365 to EML backup for you at an affordable cost.

 

Why Choose Office 365 Backup Tool

  1. The tool provides the ability to convert your data to other file formats like PST, EML, EMLX, and more.
  2. Also, it has an option to move data to email clients such as Yahoo, Gmail, Hotmail, etc.
  3. There is no limitation on file size for conversion or migration with the fully unlocked tool.
  4. It can detect and remove duplicate files, including or excluding attachments according to the user.
  5. The tool lets you set date ranges to only export emails from specific periods.

How Users Can Export Office 365 Email to EML

  1. Initially, download the backup tool, install it, and open the program on your PC.
  2. Then, use modern authentication to securely log in to your Office 365 account.
  3. Now, from the list of mailboxes available, select the one you want to back up and click Next.
  4. After that, select specific emails or folders you need from the tree structure that appears and click Next.
  5. Later, from the list of available formats, choose EML for your backup.
  6. Then, enable any advanced options and set a destination folder on your computer to save the files.
  7. At last, click Convert to begin exporting your Office 365 emails to EML.

Real-Life Scenario:

Rajesh runs a small marketing agency and has been using Office 365 for his business email for years. His mailbox was getting full, but he didn’t want to lose any emails. 

A friend suggested the Office 365 Backup Tool, which lets him safely export all his emails to EML files. Now, he has a secure, easy-to-access backup without worrying about storage limits.

 

Conclusion

A safe way to protect important Office 365 emails is to convert them to EML format. This format preserves all details, including content, attachments, and headers, keeping data intact. Users can easily move emails between different clients, create offline backups, and free up cloud storage. This write-up showed the possible ways to export Office 365 email to EML. Therefore, with the proficient Office 365 Backup Tool or reliable manual method, the entire process remains simple, reliable, and efficient.

Frequently Asked Questions

Q1. How do I save an email as EML in Outlook 365?

Ans. Outlook 365 doesn’t have a direct Save as EML option. To save an email as EML, you can drag and drop emails from Outlook to your computer as MSG. Then convert it using an EML-compatible client like Thunderbird. Alternatively, connect your Office 365 account to Thunderbird via IMAP and use its Save As → EML feature, or use a reliable Office 365 backup tool that supports direct EML export.

Q2. Is it possible to see the preview before saving Office 365 to EML?

Ans. Yes. When using an email client like Thunderbird or Outlook Desktop, you can open and preview the email before saving it. Similarly, most professional Office 365 backup tools let you preview emails, attachments, and folder structures before starting the EML export. This ensures you select the right messages or folders before saving.

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