MBOX file format is one of the most common file formats used to save mail messages on hard disk drives. All email messages for every mailbox (MBOX format) get saved as individual files. These are lengthy text files that are stored in a sequence of concatenated emails, initiating with headers of the email messages. A MBOX file is used majorly on UNIX platforms. A MBOX file and MS Outlook PST file are two totally different file formats. Both are used for mailboxes, but they both differ a lot from one another. Many email client applications support this file format i.e. MBOX. However, PST format is supported just by Outlook program. Many other applications including Eudora, Thunderbird, Mac Mail, Entourage, etc. make use of MBOX file format for storing the email messages. Thus, in the below article we will discuss the methods to how to open MBOX file in Outlook 2007/10/13/16.

Steps to View MBOX Files in Outlook with Ease

MBOX (Apple Mail) to MS Outlook migration is needed when users make a switch from Mac to Windows and begin with the use of Outlook as their emailing program. Also, the now discontinued Eudora MBOX format using email client would prove beneficial for users of Apple Mail to easily view MBOX files in Outlook PST profile. Certainly, carrying out this conversion is not that simple, but one can always give it a try to open MBOX file into Outlook 2007, 2010, 2013 or 2016.

Step 1 – Steps on Apple Mail

  • Firstly, opening of Apple Mail has to be done on the machine
  • Then, on File menu, option of Import-Mailboxes has to be clicked
  • Selecting the File needs to be done in MBOX format in the Import dialogue-box
  • Now, click the button, Continue
  • And after that, browse that location where that particular MBOX file has been saved
  • And then, MBOX file that needs importation must be selected
  • Import procedure for this particular MBOX file starts
  • Keep patience till this process successfully completes
  • Finally, click Done when this completes
  • Mailbox that has been imported would now be located in the Import’s section of Apple-Mail. Eudora is now required for completing the conversion as this can’t be done directly, which means that the files can’t be directly imported to OE and after that to Outlook.

Step 2 – Steps on Eudora

  • MBOX file has to be renamed. For example, if it’s named as “InboxMBOX”, then try renaming it as “InboxMBOX.mbx”.
  • Then, move “InboxMBOX.mbx” renamed one to that directory where Eudora is storing its files (usually the location is this: “C:\Documents and Settings\ Application Data\Qualcomm\Eudora” )
  • Now, launch Eudora on your own machine
  • And then, double-click this InboxMBOX.mbx file
  • Finally, close Eudora

Step 3 – Steps on Outlook Express

  • First of all, open Outlook-Express email client
  • click Import on the File menu
  • Then go to Messages.
  • Now, try selecting Eudora from the list
  • After that, click Next
  • And then, browse the location where InboxMBOX.mbx file has been moved
  • And then, click OK
  • Click Next now
  • Click Next once again
  • Now, click Finish
  • Imported mailboxes are mostly there in the section of “Local-Folders”

Step 4 – Steps on MS Outlook

  • Firstly, open Outlook on the machine
  • Now, first go to File tab
  • Then, click Open
  • Then Import
  • Select Import-Internet-Mail in Import & Export Wizard, and also select Addresses
  • Now, click Next
  • And then, select Outlook-Express option (Import-Mail option that is given there must be checked)
  • Now, click Next
  • And then, click Finish
  • The MBOX files can now be easily accessed from MS Outlook

Difficulties to Open MBOX File in Outlook – Better Alternative

The above mentioned manual method requires a good amount of skill, time and effort, which is not easy for most users to transfer MBOX files to PST. To get away with such a time-consuming method for performing the task to view MBOX in Outlook, 3rd-party tool is recommended. One such suggested tool is SysTools MBOX to Outlook Converter.


The manual approach looks feasible but sometimes, it doesn’t bear results due to its lengthy nature, wherein users are also needed to have the special know-how of the same. In light of this difficulty faced with manual way, a third-party solution is better suggested. With the help of this blog, you can easily open MBOX file in Outlook 2010/11/13/16. The write-up also states simple methods to view MBOX with Outlook profile with out any problem.