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How to Convert MBOX to PST Format?

"This article will introduce different manual techniques to convert MBOX file to Outlook PST format. Choose the best method to migrate emails from MBOX mailboxes to Outlook importable PST file format."

The Mozilla Thunderbird, Spicebird, SeaMonkey, Netscape, Eudora, Entourage and Apple mail are the most familiar and widely used desktop email clients preferred by numerous Organizations for the purpose of offline email communication. All these email programs store mail messages in .mbox file format which can be accessed anywhere with these email programs. But sometime the user requires migrating emails from MBOX files to Outlook because MS Outlook is the simpler and most trusted email client provided by a well-known company Microsoft. So this migration requires performing mbox to pst conversion later .pst file extension can be open or import into Outlook 2016 for MAC, Outlook 2016 for Windows, 2013, 2010, 2007 and 2003 etc.

Here in this How To tutorial, I am going to introduce manual and easy to use methods for Converting the MBOX to PST file format. By using these techniques users can easily migrate emails from *.mbox/*.mbs and *.mbx files to MS Outlook.

Pre-requirements to convert MBOX to PST manually

If you are choosing manual solution to convert mbox files to Outlook PST format then you need to install Eudora Mail, Outlook Express and Windows Live Mail on your machine. When and how to use these applications have been discussed below.

First Manual Solution to Convert MBOX files to Outlook PST Format

Importing MBOX files directly into MS Outlook is not possible that requires some extra steps to get task completed as shown below:

Create Mailbox Using Eudora:

Eudora mail creates and support .mbx file extension which is similar to .mbox file format so to use your MBOX file in Eudora mail you need to rename it first.

You can also use third party Free OST Viewer applications if you only needs to View the data of OST file. I have examined several tools for that and all tools are only giving access to view the data of OST file.

  1. Rename the file name “inbox” or “Inbox.mbox” into “inbox.mbx”.
  2. Copy and paste the renamed file (inbox.mbx) into a directory where Eudora stores its files. (C:Documents and Settings<user>Application Data\Qualcomm\Eudora).
  3. Now Open Eudora -> double click on “inbox.mbx” file to confirm the file creation -> Close the Eudora.

Import Eudora Mailbox to Outlook Express

  1. Open Outlook Express >> Go to File >> Import -> Messages.
  2. Select Eudora from the list and click on Next.
  3. Browse location of inbox.mbx file then click on OK button.
  4. Click on Next >> then Next again and Finish.

Note: If you don't have Outlook Express installed on your PC then Import Eudora Mailbox to Windows Live Mail.

Import Messages from Outlook Express To MS Outlook

  1. Open Microsoft Outlook >> click on File >> Open.
  2. Click on Import >> Import and Export Wizard.
  3. Choose the Import Internet Mail and Addresses >> click Next.
  4. Now, select Outlook Express 4.x, 5.x, 6.x or Windows Mail >> click on Next button.

These steps will surely help you to do mbox to pst conversion and migrate severally used mbox mailboxes to MS Outlook 2016, 2013, 2010 and 2007 etc. You can also export mbox to eml using a free application such as Aid4mail, because .eml file extension is also supported by MS Outlook 2016, 2013 & 2010.

Second Manual Technique to Convert MBOX Files to PST Format

In this method allows synchronizing mails from MBOX to PST using IMAP server and can be used by Windows as well as MAC OSX both users. So read carefully all the steps defined here and migrate Mozilla Thunderbird and Apple Mail messages to Microsoft Outlook 2016 for Mac & Windows, Outlook 2013, 2010 and 2007 etc.

  1. Configure an IMAP account in Apple Mail or Mozilla Thunderbird
  2. Import your MBOX file in same profile of Apple Mail or Mozilla Thunderbird
  3. Now create a new folder and move mbox file items to new created folder by dragging method.
  4. Close your Apple Mail/Mozilla thunderbird mail client
  5. Now open MS Outlook and configure the same email account. Finally click on Send/Receive button to download all MBOX file mails into a PST file.

Note: This synchronization method will retrieve mbox file messages on Outlook over IMAP.

Use a Third Party MBOX to PST Converter Software

There are several third party applications which can be used to convert MBOX files to PST file format. You can download and try a suitable solution for migrating Mozilla Thunderbird, Apple Mail, Eudora, Entourage database, pocomail and SeaMonkey mailboxes to Microsoft Outlook.

MBOX to PST Conversion Related Posts:

How to Import Thunderbird Emails to Outlook

How to Export Thunderbird Contacts to Outlook


In this How To tutorial, I have introduced some effective methods for converging MBOX file to Outlook PST file format. Hope the above mentioned methods will work for you and will bring a smile on your face. In case if you have any query or suggestion regarding the topic then just put a comment below or shoot a mail to us.