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Save MBOX File into Office 365 with the help of Stellar Converter for MBOX

 Modified on: April 3, 2019 |    3732 views

Stellar Converter for MBOX is a smart-yet-efficient Conversion Tool. This conversion tool helps users in safe and secure migration to Outlook from MBOX Files Email Clients. It works in complete sync with supports 17 MBOX email clients. It also includes smart features such as Pre-Conversion Preview, Multiple Saving options, etc.

Most common Email platforms such as Opera Mail, Apple Mail, Eudora, Thunderbird, Entourage all supports MBOX File Format. The MBOX File is perfect go-to for users unless and until you need to access them on Windows compatible platform like MS Outlook. The reason being Outlook Proprietary File Format is PST. Thus MBOX cannot be accessed by it. To access it, you need first to convert MBOX to an array of EML Files and then to PST format.

This MBOX to PST Converter Tool helps in smooth conversion and protects you from the time confinement, technical know-how demand, integrity issue, and much more.

Save MBOX File into Office 365 Account File Format - A Step-by-Step Guide



Once you through with download, installation, and registration, follow the below stated steps for simplified conversion.

Step 1: Select the Email Client  

  • Select Desired Email Client icon

  • Under Select File/Folder dialog box, click on Select File/Select Identity Folder option and then Find file

  • Next, you will see chosen file/Identity path under text box of Select File/Folder Path
  • Click Convert to continue

Step 2: Pre-Conversion Preview

  • A list of all converted files will enlist in left pane under Preview window


      Next, click on desired mail, to view its preview in bottom right pane

Step 3: Save converted mails

  • From the toolbar, choose Convert option
  • Click on Office 365 radio button followed by OK

  • Under Connect to Office 365 dialog box, key-in login credentials
  • Click OK


Optimistically, with this How-to problem tackling guide, you must have got a sound knowledge on how to save MBOX Files to Office 365 with the help of the software. 


2 User Comments

dear Stellar,

When trying to save the converted files I receive an error message: "cannot continue MS Outlook is not properly installed" Please advise how to resolve.

Thank you

harry van neer

Stellar Data Recovery


Thank you for contacting Stellar Data Recovery.

We would like to inform you that we have sent an email to you for the issue.

Please reply to same email for further assistance.

Warm Regards,

Stellar Data Recovery


User Comments



Stellar Converter for MBOX Stellar Converter for MBOX migrates MBOX email clients like Thunderbird, Entourage, Spicebird, Pocomail, AppleMail, Eudora, Mulberry, SeaMonkey, Netscape, ClawsMail, OperaMail, Mozilla Mail, Evolution, Sylpheed, Cone, Mutt, Gnu Mail clients into PST.

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