MBOX to Office 365 Migration

MBOX to O365 Converter to Export & Upload MBOX Emails to Office 365 Account Directly

  • Support single and selective migration of various MBOX files to Outlook 365 for Web
  • Convert MBOX files of Mac Mail, Eudora, Entourage, SeaMonkey, The Bat!, and Thunderbird to Outlook Web App
  • Converts all variants of MBOX files - MBOX files with/without extensions, MBS, MBX, Entourage MBOX etc.
  • import both orphan & default MBOX email files to Office 365 webmail
  • Apply Date Filter option for converting selective .mbox files
  • Upload MBOX to O365 including emails, html hyperlinks, attachments, internal formatting, receiver information, date, embedded images, sender information, etc. to Exchange Online.
  • Batch MBOX files to Office 365 migration without any interruption
  • Supports conversion to Outlook.com, Hotmail, Live.com, OWA.
  • Maintains the entire folder hierarchy and structure throughout the conversion
  • 100% safe and secure method without making any threat to Outlook 365 account login details
  • Easy mapping of MBOX files with Office 365 user accounts or mailboxes.
  • Save Report option for saving the complete report of migration

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All Types of MBOX Supported...

CubexSoft MBOX to Office 365 is an email migration tool that supports all variants and all types of MBOX files during the conversion of MBOX to Office 365 account.

All MBOX types & variants

MBOX to Office 365 software enables you to move, convert, export save almost all variants of MBOX files. It supports to convert MBOX files of different email servers & email clients.

MBOX Files of Different Types -





MBOX files of Different Email Clients -


Apple Mail





Earth Link

Opera Mail


Microsoft Office 365 Account

The software offers expert solution to export complete data from selected email account to cloud account. You just need to provide your login details, choose desired options and as soon as you click on the Convert button, the software will automatically start processing your commands until the entire process finishes successfully.

With this software you convert MBOX files into -

  • Office 365
  • Outlook.com
  • Hotmail
  • Live.com

Key Features of MBOX to Office 365

Know all the Attributes of the Tool to Convert, Export, Upload MBOX in Office 365

Upload MBOX Mail to Office 365 Directly

This software allows uploading of MBOX file on the cloud profile. The application only needs the credential of Office 365 account to execute the data conversion to Exchange Online. Any number of MBOX files can be transferred on an O365 cloud account.

Supports All MBOX Based Email Applications

The application supports all the MBOX supportive email clients that includes Mozilla Thunderbird, Apple Mail, Eudora, Entourage, SeaMonkey, The Bat!, and etc. perform the data migration to Office 365 account. No restriction is involved for conversion process.

Move With or Without Impersonation

MBOX to Office 365 Tool comes with an advanced and unique feature i.e. With Impersonation or Without Impersonation. Using “With Impersonation” option, users require to input login credentials of their admin account once and then they will just need to map the mbox files with users accounts of the same admin. On the other hand, in without Impersonation option, users require to input password for each user or mailbox.

Converts All Variants of MBOX Files

The software is designed in such a way that it is capable to convert all variants of MBOX files that includes MBX. Now you can easily import emails from MBOX and MBX supported email applications to O365 account. Moreover, the tool is capable of uploading emails from without extension mailboxes (extracted from Thunderbird) Office 365 without any difficulty or error.

Export Bulk MBOX Files into Office 365

The MBOX to O365 software also supports batch mode migration to convert multiple mailboxes from MBOX to Office 365 account. Using Add File option of the software, you can select a number of files by pressing CTRL key for conversion. And using Add Folder option of the program, you can choose complete MBOX mailboxes folder for achieving bulk migration from MBOX to Office 365.

Supports Date-Filter Option

MBOX to Office 365 Tool also offers the option of Date Filter which facilitates to export MBOX mailbox to Office 365 by specifying the date range according to requirements. For this, they need to give the date in the column “From” and “To.” When it is complete, all the MBOX mailboxes falling under that range will be showed and the users can easily export MBOX file to Exchange Online.

Maintains Data Integrity

MBOX to Office 365 migration utility is design in a way that it keeps the data integrity after migration of .mbox file to OWA. It retains the formatting, Meta properties, folder hierarchy, etc. in as it is form. No modifications done with original data styling after MBOX to Office 365 conversion.

Save Conversion Report in CSV

As soon as users press on the Export option. It starts the migration from MBOX file to Office 365 account. While uploading the data, it shows the progress report as well. Furthermore, once the procedure has completed, it creates a final report i.e. a conclusion report. A user can easily save this report for future resolves in CSV file format by clicking on the Save Report option.

User-Friendly Interface

The MBOX to O365 Tool comes with very simple and easy (Graphical User Interface) graphical user interface that is easy to use by any type of user like professional or non-professional users.

Compatible with All Windows OS

The software is well-capable of working with all Windows OS editions. Hence it is supportable for all (32bit and 64bit) Windows versions – 10, 8.1, 8, 7 etc., without any trouble at all.

Procedural Screenshots of MBOX to Office 365 Tool

The following screenshots will instruct you to understand the working procedure :

MBOX to Office 365 Free Download

Know all the specification to Download & Use the App with Ease

Software Name: CubexSoft MBOX to Office 365
Free Download:

Download for Windows 100% Safe & Secure Buy Now 30 Money-Back Guarantee*

Version: 7.0
Processor: Minimum 2.4 GHz Processor
RAM: Minimum 512 MB
Minimum Hard Drive Space: 4.51 MB
Operating System: Windows OS: Windows 10, 8.1, 8, 7, Vista, XP, Windows Server 2019, 2016, 2012, 2008, 2003, etc.
Demo Version: Download FREE MBOX to Office 365 Tool Edition and simply convert first 20 MBOX emails into Outlook Web Access at free of cost. Once getting satisfied with this demo, you can apply for license edition.
Installation & Un-installation for Windows: Guide Install/Uninstall EULA

Frequently Asked Questions

Commonly Asked User's Questions and Answers regarding MBOX to O365 Tool

Yes, the MBOX to Office 365 Converter Tool offers date filters in which you can select date range for getting selective output database.

Follow the step by step working guide to convert MBOX emails to O365 which are properly described below:

Step 1 - Install MBOX to Office 365 Converter program on your Windows machine

Step 2 - Import MBOX files by using Add File or Add Folder option

Note: Use remove option, if you want to remove any imported MBOX email.

Step 3 - Hit on the Next button, and choose the options accordingly from new screen that includes:

With Impersonation – In this, you have to add the login credentials of your O365 admin account. And, the login ID of different accounts available in same admin account so that the output data can be transfer in a desirable user account.

Without Impersonation – In this, you need to add the ID and password of O365 user accounts one by one where you want the output data.

Step 4 – After adding the details accordingly, you can avail Date Filter option and then hit Export button.

Step 5 – Finally, the conversion process starts with live progress report. And, after completing the process, you can opt “Save Report” option for saving complete report of conversion process.

Yes, this software supports all MBOX supported email clients such as Thunderbird, SeaMonkey, PocoMail, Apple Mail, The BAT, Netscape and all others.

Use “Add Folder” option and export unlimited MBOX files into Office 365 cloud account in a single conversion round only.

Yes, it’s a Windows supported program it means you can download this program on any Windows editions such as 7, 8, 8.1, XP, Vista, 10 and many others.

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