How to Export Emails from Office 365 to MBOX File?

Are you searching for an excellent way to export emails from Office 365 to MBOX format? If yes, then you landed on the right page. In this article, you will learn to how to convert email folders from Office 365 into MBOX format.

This is one of the easiest and most accurate methods to save Office 365 emails to MBOX format. We have provided you with exact steps to Convert Office 365 to MBOX format.

Before starting let’s take a quick glance at Office 365 and MBOX file…

Overview of Office 365 and MBOX File Format

Office 365 is a subscription-based services offered by Microsoft. Office 365 contains various software such as Word, Excel, PowerPoint, Access, SharePoint, Outlook etc. All Software in Office 365 updated automatically during their period of subscription.

On the Other hand, MBOX is a file format used to store multiple emails along with attachment files. MBOX stands for mailbox. Many of the famous email services and email clients used MBOX as a standard for saving emails. These email clients include Apple Mail, Mozilla Thunderbird, Gmail, etc.

Export Office 365 Email to MBOX File – Possible Solutions!

  1. Using a Professional Tool i.e. Advik Office 365 Backup Tool
  2. Exporting Mailbox using Mozilla Thunderbird (with unsecured plugin)
  3. Comparing Free and Paid Solution with Conclusion

We are going to discuss two best ways to export emails from Office 365 to MBOX. Let’s get started with the tutorial.

Read Also: How to Export Office 365 Mailbox to CSV File?

Method 1. How to Export Office 365 Emails to MBOX File?

Advik Office 365 Backup Tool is the finest software for converting emails from Microsoft 365 to .mbox file format. This program allows you to select email folders and export them into MBOX files. You can export multiple Office 365 folders to .mbox file without facing any technical errors or glitches. The software is loaded with various other benefits too. You can export PST from Office 365 as well. No need to configure your Office 365 to the Microsoft Outlook application. You will get 15+ other email export-saving options as well.

Download the software and perform a free test.


Follow the Steps to Export Emails from Office 365 to MBOX Format.

Step 1. Launch Advik Office 365 Backup Tool in your system.

export Office 365 emails to MBOX

Step 2. Enter Office 365 login details and click on the “Login” button.

download Office 365 emails to MBOX file

Step 3. Select desired mailbox folder that you want to download.

save Office 365 emails to MBOX format

Step 4. Make Sure MBOX is selected from Multiple Saving options.

export Office 365 emails to MBOX file format

Step 5. You can choose your desired “Destination Path” to save your resultant data at your chosen location.

convert Office 365 emails to MBOX format

Step 6. Finally, press the “Backup” button and analyze the process of conversion.

export Office 365 to MBOX

This is how you can save Office 365 emails in MBOX format.

How to Convert Office 365 to MBOX File – Watch Tutorial

Method 2. How to Save Office 365 Mailbox to MBOX File?

For this solution, you have to install the Mozilla Thunderbird desktop email client in your computer. Now follow the below steps for exporting Microsoft 365 emails to MBOX file.

1. Add Office 365 email account in Thunderbird:

  • Run Thunderbird on your Windows PC.
  • Click on “Create a new account” or go to “Tools” > “Account Settings” and click on “Account Actions” > “Add Mail Account.”
  • Enter your Office 365 login credentials, then click on “Continue.”
  • Thunderbird will attempt to configure your Microsoft 365 account settings automatically.

2. Create a Local Folder in Thunderbird:

  • In Thunderbird, right-click on your email account name in the folder pane.
  • Select “New Folder” from the context menu.
  • Give the folder a name, e.g., “Exported Emails,” and click on “Create Folder.”

3. Drag and drop emails to the Local Folder:

  • In Thunderbird, go to the Office 365 email account folder that contains the emails you want to export (e.g., Inbox, Sent Items, etc.).
  • Select the emails you wish to export by holding the Ctrl key (Command key on Mac) and clicking on individual emails or press Ctrl+A (Command+A on Mac) to select all emails.
  • Click and drag the selected emails to the Local Folder you created earlier (e.g., “Exported Emails”).
  • The emails will be copied to the Local Folder.

4. Export the Local Folder to MBOX format:

  • Right-click on the Local Folder (e.g., “Exported Emails”) in the Thunderbird folder pane.
  • Select “Export…” from the context menu.
  • Choose a location on your computer to save the exported MBOX file.
  • Enter a name for the exported MBOX file, e.g., “exported_emails.mbox,” and click on “Save.”

By following these steps, you can export your Office 365 emails to MBOX format using Thunderbird, even though there is no specific import/export wizard for Office 365. Remember to repeat the process for each folder or label you want to export.

Read More: How to Export Office 365 Emails to PDF Files?

Reasons to Choose Advik Office 365 Backup Tool Over Manual Solution

There are many reasons to choose Advik Office 365 to MBOX Converter. Some of them are as follows;

  • Complete data conversion: Advik Office 365 to MBOX Converter is capable to convert the complete mailbox of Office 365 accounts including Sent Mail, Drafts, INBOX, Outbox, Important Mails, Spam, and any other folder created by the user.
  • Maintain Folder Structure: The Folder and Sub-Folder Structure of emails remains the same during the process of conversion. So that it becomes easy to navigate your emails after the completion of the Conversion.
  • Include attachment files: Attachment plays a very important role in email messages. Most of the confidential information is sent and received through Attachment files. That is why our tool is designed to include all attachment file in their respective email.
  • Preserve Key Elements: All the Key Elements of emails such as Cc, Bcc, To, From, Date and Time Stamp, Hyperlinks, Unicode Texts, etc. remain intact after the process of conversion. The layout of the email also remains the same.
  • Multiple Output formats: Using the above solution, you can also export Office 365 to eml files. In addition, you will get 20+ file formats in which you can save Microsoft 365 emails.
  • Cloud to Cloud Migration: You can also use this software to migrate emails from Office 365 to Gmail, G Suite, Thunderbird, Zimbra, Yahoo Mail,, etc.
  • Support All Windows OS: Advik Office 365 to MBOX Converter can easily run on all Windows machines such as Windows 10, Windows 8, Windows 7, Windows Vista and Windows XP.
  • Free Demo Download: You can download a free version of this software to check the efficiency of this software. Hit the button below to download Office 365 backup tool for free.

Dedicated Customer Support: In Case, you stuck somewhere while using this tool, you can contact our customer support for further help.

Below are some queries which can be solved using above solution;

“Can I export emails from Office 365 to MBOX Format in Bulk ?”
“How to convert Office 365 emails to MBOX?”
“Suggest me the easiest way to export Office 365 emails to MBOX?”
“Where can I get the best Office 365 to MBOX Converter?”