How to Export Office 365 to MBOX – Easy Ways

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Published on
March 19th, 2025

Updated on
April 8, 2025

4 minutes Read

Summary: User query: “I struggled to share Office 365 emails with non-Office 365 users. To deal with this, I want to transfer the Office 365 mailbox to MBOX as it is a widely supported format.  However, I am not sure which solution to choose for effective output. So, please help me export Office 365 to MBOX without hassle.” 

Similarly, we got numerous user queries from users looking for a solution to backup their Microsoft 365 data into MBOX. So, we are going to discuss the top methods to end this process securely and efficiently. Besides, the professional Office 365 Backup Tool is the most recommended technique. 

Why Do We Need to Export Office 365 Mailbox to MBOX

Microsoft 365 is a popular cloud-based suite that offers various incredible Microsoft services, including Excel, Word, etc. Nevertheless, there are various reasons that want users to backup their data into MBOX. Some of these reasons are discussed below: 

  • When you backup MS Office 365 data into MBOX, you can access it from popular email clients such as Thunderbird, Apple Mail, and more. 
  • This process will be effective when you want to shift from Microsoft 365 to MBOX-supported email clients. 
  • MBOX files are portable which makes it convenient to access them from different devices and email clients. 

Simple Methods to Export Office 365 to MBOX

Here, you will get different ways to perform this process including manual and professional. Before choosing one, go through both the procedures in detail. Thus, you can pick the best technique out of all. 

#1. Export Emails From Office 365 to MBOX – Manual Method

To do this process for free, read and follow the given steps carefully. 

  1. For this process, open Mozilla Thunderbird. 
  2. Later, tap Tools Account SettingsAdd Mail Account.
  3. Thereafter, provide the Office 365 login detailsContinue.
  4. Further, Office 365 account will be configured in your Mozilla Thunderbird account. 
  5. Afterwards, close all the windows running in the background and open Thunderbird again. 
  6. Next, create a new folder with the desired name by clicking on New Folder -> Create Folder.
  7. Further, visit the Office 365 email account -> choose the folder with email you want to save into MBOX. 
  8. Later, copy all the emails (Ctrl+A – – Ctrl + C) and paste it in a new folder inside the Thunderbird.
  9. Thereafter, navigate to the folder and  right-click on it – Export.
  10. In the end, create the location for output MBOX file to save in the system. Tap Save.

#2. Export Office 365 to MBOX File – Automated Approach

MacSonik Office 365 Email Backup Tool is an advanced and powerful software to export Office 365 to MBOX quickly and smoothly. Besides, it enables users to restore their OST/PST files into desired folder of Office 365. Using this utility, users can move bulk data into MBOX without disturbing data integrity. Other than this, it offers numerous innovative features to simplify the process. For instance, users can exclude duplicates from the backup, exclude attachments, and more. Despite the use of these features, it gives a 100% accurate and risk-free outcome. 

Stepwise Process to Export Office 365 Mailbox to MBOX

In this section, we will provide the complete step-by-step process to accomplish the task. 

  1. To begin, launch the Office 365 Backup Software in your OS. 
  2. Then, login to your Microsoft 365 account using the required credentials. Tap Sign In
  3. Later, select the folder that you want to save into MBOX. Hit Next
  4. Thereafter, expand the drop-down list and pick MBOX format. 
  5. Further, assign the destination path to keep the resultant MBOX file in your system. 
  6. At the end, press the Convert tab to begin the process of exporting Office 365 to MBOX. 

Also Read – How to Archive Emails in Office 365

Conclusion

Throughout this blog, we have discussed the different reasons and methods to export Office 365 to MBOX. Among the different ways, the professional approach is the most recommended as it gives a risk-free output, unlike manual procedure. Moreover, it is reliable for moving bulk data quickly and securely. 

Frequently Asked Questions 

Q1. How to Export Office 365 to MBOX?

Here are the complete steps to do it effortlessly. 

1. Configure Office 365 account in Mozilla Thunderbird. 
2. Now, transfer Office 365 data into a new folder inside the Thunderbird. 
3. Then, transfer that folder to desktop using drag-and-drop approach. 

Q2. Can you export emails from Office 365?

Yes, you can export all your mails from Microsoft 365 easily. To do this, MacSonik Office 365 Backup Tool as it allows users to move data from Office 365 to multiple file formats or email services. 

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