View & Read MBOX Files using a Free & Portable Open MBOX Software


  • Read emails of multiple MBOX files along its associated attachments
  • Load all items of MBOX file with its counts.
  • Option to stop the loading of mail items in between the process
  • Works without installation of application supported to open MBOX file
  • Supports to MBOX files created by any email applications
  • MBOX reader is supported by Windows 10, 8 or any below versions

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Full Version
Read and open MBOX file

Remarkable Features of Intrigua Open MBOX Software

open mbox emails

Open MBOX File with all Attributes

All emails of MBOX files created by any application like thunderbird, gmail takeout, entourage etc is opened and preview in the tool. Emails will be viewed with all its associated attributes like To, Cc, Bcc, Subject etc.

view attachments

Preview of Email with Attachments

The Software will generate the preview of Attachments along with email, of any selected or loaded file. The generated view of each file consists of email and all type of attachment which includes images, documents, PPTs etc.

MBOX viewer software

Read and Open Multiple MBOX Mail

Open MBOX tool can give you a preview of a single MBOX file or allow you to add a folder containing multiple MBOX files one by one. Hence allow the user to preview bulk MBOX mail with its items. To add MBOX file or folder, use select File or Folder option.

Open MBOX file and mail

Quick Scanning to View MBOX file

MBOX viewer Software quickly scans all the added MBOX files and make lists of all email items. Also, creates a proper folder structure for easy understandability and provides additional information like file size and date of creation.

Open MBOX software

Open MBOX in Dual Screen Mode

Intrigua’s software to open MBOX file provides you the option to read MBOX mail in two different interfaces. The two options facilitate you to switch the screen mode i.e either to Horizontal view or to Vertical view according to the user’s choice.

no size limitation to open MBOX

No Limitation on File Size

Intrigua MBOX viewer software has not specified any size limitation to read MBOX file. The tool has the capability to open MBOX mail of any size and preview each and every selected file.

Technical Outline of Open MBOX Software

What is MBOX file?

MBOX is called as a mailbox which contains all the user mails stored as plain text in a single file. MBOX is a most common format to store mail messages, no limitations on its size are stated anywhere. It saves the mails in a single concatenated text file format one after another. Each mail is started with the word "From" and ends with a blank line.
There are many email applications which create the MBOX file such as Thunderbird, Eudora, Entourage, Sea Monkey, Spice Mail and many more.

Default Location of MBOX file in Thunderbird


MBOX file can be created with no extension or with extensions like .mbox, .mbx. You can also generate MBOX file of your Gmail account to keep the backup of mails by using Gmail Takeout.
As the MBOX file can be opened only in MBOX supported email applications, so by using this MBOX viewer free utility you can easily read MBOX emails and save them in some different format. To do so you need to upgrade it its pro version.

Open MBOX Software Screenshots

MBOX Viewer Software
Step 1: Install and Run Open MBOX Software on machine.
Open MBOX file
Step 2: Choose supported email client to view MBOX.
MBOX reader tool
Step 3: Add desired MBOX file or folder.
Open MBOX software
Step 4: Preview MBOX Emails along with Attachments.

Open MBOX Software Video

Watch the working of freeware MBOX File Opener to get preview of all emails.

FAQ′s - Open MBOX Tool

What is the MBOX file size limitation which can be added to this software?

User can preview or open their numerous mails in the tool as there is no limitation on MBOX file size.

Do I need to install any mail application to view MBOX file using this software?

No need to install any mail application supported to MBOX. This free MBOX viewer can be used to read MBOX messages without any application.

How many MBOX files can be added to the tool at one time?

You can add multiple MBOX in the tool, all files should be placed in a single folder and you need to select use folder mode to add all files of folder.

Can I use this free utility to read MBOX file in Windows 10?

Yes, this software can be downloaded free and installed in any version of Windows(10, 8, 7 etc.) operating system to open and view MBOX emails.

System Requirements to view MBOX file

System Requirements

  • Minimum 1GHz processor (recommended 2.4 GHz)
  • Require 50 MB of Hard Disk space
  • 512 MB of RAM( 1Gb recommended)

Supported Versions

  • Supports Windows 10, 8.1, 8 and all its below versions (both 32 & 64 bit)

Demo vs Full Version

Open MBOX Software Features FREE PRO PRO+
View Multiple MBOX files
Preview of Emails & Attachments
Search within MBOX Files
Convert MBOX to PDF
Multiple Naming Conventions
Convert MBOX to PST, EML, MSG
Option to Filter Emails
Advance Setting for PDF
Cost FREE $69 $129
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Client Reviews on MBOX Reader Tool

I recently changed my email client application and was in need of a tool which allows me to view and open MBOX files. Then, my friend suggested me this Intrigua MBOX viewer software which did exactly what I needed. I was able to read MBOX files along with attachments just in very simple steps. Its a great utility for a novice user like me. Great job!

Katherine , Australia

MBOX reader tool is the best tool currently available in the market. The software does a fantastic job to open and view MBOX files created by any email client application like Thunderbird, Eudora etc. It helped me to read MBOX files without any cost and saved my time and effort.

James Miller , New Jersey