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How to Import MBOX into Office 365 on Windows/Mac? – Top 3 Methods

Bhawna Barwal | email conversion file conversion how to software technology | 4 minutes read | Last updated on January 4th, 2025,

In this article, a comprehensive guide is illustrated that contains top three solutions to import MBOX into Office 365 on Windows and Mac.  

Users are going to explore two manual methods and one professional method. After reading this article, it will be clear on your mind which method you must opt to import MBOX to Office 365 now without any delay let’s begin.

Is There Any Manual Method Available to Import MBOX into Office 365?

Yes, there are manual methods to import MBOX into Office 365 available. Due to enough restrictions it is not wise to choose manual method to import MBOX files to Office 365. If you want to know manual process then you can follow below mentioned steps there are two manual method.

Method 1:  Import MBOX to Office 365 Via ImportExportTools

There are two stages for importing MBOX to Office 365 ImportExportTool:

Stage 1: Make a Profile of Office 365 in Thunderbird

  1. It is required to configure Office 365 account to Thunderbird to import all MBOX files.
  2. Now open your Thunderbird program in your system.
  3. Go to menu icon and select “Account Settings”.
  4. Then choose “Account Actions” and Add Mail Account.
  5. Now fill your Office 365 account details such as full name, email address, passwords.
  6. Move further clicking on the “Continue” tab.
  7. Now configure settings and press the “Done”.

Stage 2: Import MBOX Data to Office 365

  1. At first, we will create one new folder to put/import MBOX files.
  2. Go to the New Subfolder option and give a name to the folder.
  3. Now go straight to Menu, and select Add-ons & Themes.
  4. It is required to search ImportExportToolNG and add into Thunderbird.
  5. Now go to right pane and click on the ImportExportToolNG option.
  6. Then choose “Import MBOX files” option, then select for import MBOX files.
  7. Lastly browse MBOX data to import data and press on Ok tab.

Method 2: Drag and Drop Method to Import MBOX to Office 365

Step 1: Export MBOX to EML

  • Open and run Thunderbird email client.
  • Select MBOX file which is meant to export.
  • Press keys Ctrl+A that select all email files, and you can also select one file at a time.
  • Press right click on MBOX files, and click on “Save As”.
  • Now click on the select folder option, and your files save in EML format.
  • Open Outlook email app and click on File.
  • Go to Open & Export>Import/Export.
  • Choose Export to a file and click on Next.
  • Then select option Outlook Data File .pst then again click on Next tab.
  • Save PST files at the desired location and press on the “Finish”.

Step2: Import MBOX Files into Office 365

  • Configure Office 365 account in Microsoft Outlook.
  • Open Outlook, go to File>Open and Export>Import/Export.
  • Now choose “Import from another programs or file” option and move ahead clicking Next.
  • Choose Outlook Data File (.pst) then again press on the Next tab.
  • Select converted PST and choose Office 365 account from the list.
  • Finally click on Finish that starts to upload PST into Office 365.

Limitations to Import MBOX to Office 365 by Manual Methods

  • The conversion of multiple MBOX mailboxes is not possible with manual method.
  • It is unable to provide filters. One can lose data while importing MBOX files manually.
  • Also, it does not ensure accuracy and takes lots of time in migration.
  • Users from non-tech setup or background may face difficulty in understanding the manual process. It requires installation of email clients like Microsoft Outlook and Thunderbird.
  • Users need to repeat the same task each time that makes it quite lengthy process.  

MBOX to Office 365 Converter to Import MBOX into Office 365 in Batch

BitData Migration MBOX Converter provides excellent features that ease importing MBOX to Office 365. This method is easy to use and interpretable without technical skill due its interactive GUI. The software is direct solution to convert MBOX files to Office 365 at single click. This method prevents users from such limitations imposed in manual methods. The application delivers accurate results without any error.

MBOX to Office 365 Tool provides functionality of free demo that enables to migrate 25 email messages from MBOX files to Office 365 without any charges. This method is securer one, as it keeps all MBOX attributes, components same during migration to office 365. This app supports entire editions of both Windows – Windows 10, 11, 7, 8, 8.1, XP, Vista, etc. and Mac Operating Systems like Mac Monterey, High-Sierra, Monterey, Mojave, Yosemite, Catalina, Ventura, Big-Sur and many more.

How to Import MBOX into Office 365 on Windows/Mac? – Working

Step1: Launch MBOX to Office 365 Tool on your system.

Step2: Add/upload required MBOX data for conversion.

Step3: Choose output option Office 365 from the list of saving options.

Step4: Add destination path as per requirement and hit the Convert button.

Read more:

How to Transfer MBOX to Gmail

Ending Note

By now you must know how to import MBOX into Office 365 on Windows and Mac. MBOX to Office 365 Converter opens on Windows Operating Systems and Mac Operating Systems. The software solution is capable to make a complex task of batch migration from MBOX to Office 365 very easy. There is no doubt, you must use a professional MBOX to Office 365 Tool to import MBOX into Office 365.