MBOX Viewer Software

A convenient way to immediately open MBOX file emails. On your windows computer, get email previews from MBOX files of Opera Mail, Apple Mail, Thunderbird, Google Takeout, and others without being dependent on an email client. View MBOX emails with whole properties, including- message body, attachments, hyperlinks, and other information.

  • Get clear preview of email items from MBOX files.
  • Auto-Detect all load Thunderbird Profile Mail files/folders.
  • Manully select and add MBOX mail files and folders.
  • Supports all type of MBOX files- MSF/ MBOX/ MBS/ MBX and others.
  • All Windows OS edition support (including- latest Win 11).
Free MBOX Viewer software

Free MBOX Viewer Software - Advanced Features

Free MBOX Viewer Software

Instant Fast Software Delivery via Email

30 days return policy

  • Generate preview of emails from MBOX files with their associated information and attachments.
  • Provides multiple options to add MBOX files, including "Select MBOX File" and "Select MBOX Folder."
  • Offers the choice to automatically load Thunderbird Profile mail folders for email preview.
  • Supports opening all MBOX file formats (.mbox, .mbx, .mbs, .msf, and mbox file with no extension)
  • Double-clicking on MBOX file emails will open them in a new window.
  • Able to access MBOX files of any size without encountering any issues related to file size limitations.
  • Displays emails with all of linked information (To, from, date, cc, bcc, subject, message body, attachment, etc.)
  • Emails are opened by MBOX reader in their original format, without making any modifications.
  • Able to access MBOX files of all applications (like- Thunderbird, Google Takeout, Opera Mail, etc.)
  • Does not require any other software or email client to open emails from MBOX files.
  • Offers a simple, intuitive graphical user interface that makes it simple to read MBOX emails.
  • Designed to run on all versions of Windows OS, including Win11, 10, 8.1, 8, 7, XP, and Vista.
Free Download  Buy Pro Edition  Software Working

(Note:- With MBOX Viewer pro/pro plus edition, read MBOX emails & convert MBOX to 15+ formats.

Free MBOX Viewer Software - All Features

Exclusive MBOX Email Opening Solution

Open MBOX files independently on a Windows PC without the need for an email client. Read emails into this smart tool from MBOX, MBS, MBX, and MSF files. View all emails individually from one or more MBOX files at once.

Displays emails from MBOX files in the preview panel as well as in a separate window. Also, get preview of emails with full email information including - email header, message text, attachments, hyperlinks, and other elements.

Read More >> How to Open/ View MBOX Files?

free mbox viewer software
mbox file selection

Add MBOX files with multiple options

Quickly access emails from MBOX files by importing MBOX files with different options: -

  • Select MBOX file: - Choose an MBOX file manually add it to the software.
  • Select MBOX folder: - Pick a folder that containing MBOX files in several subfolders at once.
  • Auto-Load Thunderbird Profile:- Automatically load MBOX/MSF files from Thunderbird mail folders default location.

mbox email preview individually

View each MBOX Email separately

Get a screen-by-screen preview of each MBOX file email. Use the software to load MBOX files, then double-click an email to open a second window with a preview of email with all relevant information. MBOX Viewer will display email on separate window with all email details- message content, attachment information, and message headers (to, bcc, cc, topic, and from).

open mbox email with attachment

Open MBOX emails with attachments

View each email with their associated attachments from MBOX files. View emails that have attachments such as- zip archives, PowerPoint presentations, photos, spreadsheets, papers, etc. Get a preview of emails and their linked attachments in both separate window as well as in preview panel of the software.

open mbox file of any size

View or open MBOX files of any size

Open huge sized MBOX files without encountering any issues with size limitations. Additionally, users may add and access several huge sized MBOX files into the software at once. The software loads all sizes of MBOX files at once and provides an exact display of email items with no modifications.

mbox email in original form

Preview MBOX email in original format

Get email preview from MBOX file into the software in their original form. Access an MBOX file containing emails and their native format attachments. The software displays emails with all of their data without making even the slightest alterations to the MBOX file's structure or internal components.

open all type of MBOX files

Read Emails from Every MBOX file Type

All MBOX file types may be safely opened in this MBOX reader tool. Using this single software users can read MBOX files of the following extensions: .mbox, .mbx, .msf, and .mbs. The software can open MBOX file of all supported apps like- Google Takeout, Opera Mail, Thunderbird, and other apps.

open mbox without any email client

Read MBOX without Email Clients need

Without the need of any additional program, a user can access and read emails from MBOX files using the MBOX reader software. The software quickly extracts and displays emails from all supported MBOX files that are generated by any supported applications.

smart graphical interface

Clear and easy graphical interface

Software offers a simple graphical interface for non-technical users to easily browse and view emails from MBOX files. Users of all skill levels may securely execute and utilize this software on their computer without facing any issues.

windows compatible

Works with every Windows edition

MBOX Viewer is designed to open MBOX files and viewing emails on computers having Windows OS. Users may securely operate this software to view MBOX files on all editions of Windows O/s (including- Win 11, 10, 8.1, 8, 7, XP, Vista, and other editions).

MBOX Viewer Free & Pro Editions - Comparison

Software Features Free MBOX Viewer MBOX Viewer Pro MBOX Viewer Pro Plus
Access/ View MBOX Emails
Auto-Load Thunderbird profile mail folders
Manually Select MBOX File/ Folder
Preview MBOX Emails on Seprate Screen
Email Preview with Header detail
View MBOX Emails with Attachment
Convert MBOX Emails into Different format
Upload MBOX Emails to Cloud Apps
Download Now BuyNow ($59) BuyNow ($79)

Software Specification

Trial Limitations

Free MBOX Viewer tool will allow users view mbox emails on windows machine without any email client dependency.

Software Info


Supported App

MS Outlook all editions (upto 2021)

Personal, Corporate, Technician

Language Supported
English, German, Italian, French, Spanish

System Requirements

Intel® Pentium Class

Operating System

Hard Disk Space
50 MB of free hard disk space

Minimum 512 MB is required

Software Delivery


Delivery by E-mail

Supported Windows OS

Works with all windows O/S editions 11, 10, 8.1, 8, 7, XP, Vista, & below editions

Frequently Asked Questions (FAQ)

  • On your computer, download and install the eSoftTools MBOX Viewer software.
  • Open the software, then click on "Add File/Folder" from the menu bar.
  • Select between “Auto-Load Thunderbird Profile”, “Select MBOX File”, or “Select MBOX Folder” option.
  • Use the software's file selection option and import all MBOX files into the tool.
  • Add MBOX files and load all mail folders from the selected MBOX files.
  • Now click on each MBOX email to get preview of each email from the MBOX file.

Note: Double click on each email to receive email preview on individual window.

Free mbox Viewer

Visit here, to see the entire process- How to Open/ View MBOX File emails?.

Yes, a user may quickly load and open one or more MBOX files at once. The software offers the choice of selecting a folder containing many MBOX files simultaneously.
By selecting "Auto-Load thunderbird profile" option, users can add all of mail folders and files associated with their Thunderbird mail automatically from their default storage location. Users may load and open any file compatible with Thunderbird, including MSF, MBOX, and EML files, with no additional effort.
Users may examine each email separately on a different screen by simply double clicking on each one.
Users can access MBOX files of all sizes without encountering any issues related to size restrictions. Software automatically and flawlessly opens all MBOX files, from the smallest to the largest.
Yes, users of the software have access to an original preview of each email. Show MBOX file email with all of its data without any alterations.
Yes, users of this utility may quickly access any form of MBOX file like- (.mbox, .mbx, .mbs, and.msf). Also users can access MBOX file even those without extensions.
To open MBOX files it doesn't require any other application or email client. Users can access MBOX files of Thunderbird, Apple Mail, Google Takeout, Entourage, etc. by using this single application.
No additional software or email client is needed to open MBOX files while using this MBOX viewer software.
MBOX reader tool is intended for Windows users, and it may be used with any version of Windows operating system. Easily users can run and utilize this utility on Windows versions- 11, 10, 8.1, 8, 7, XP, and Vista and earlier.

With the pro and pro plus editions of MBOX viewer software, you can migrate and convert MBOX files in addition to examining MBOX emails.

By upgrading to the MBOX viewer tool pro and pro plus version, you may migrate MBOX files to various cloud apps and convert MBOX files into more than 10 different file formats.

Client Most Valuable Review's

(Rated 5 Star)
I have been using this MBOX viewer tool for the last 5 months to view emails from MBOX files. It easily opens MBOX files and provides a preview of its available emails. This tool shows each email from MBOX file with its original content without any modifications.
[ Kimberley Haile ]  [ United States ]
(Rated 5 Star)
Using this software, I have opened many MBOX files of different email clients. Every MBOX file is opened by this tool without showing any kind of problem. This tool is also very easy to operate to perform the task of opening emails from MBOX files.
[ Kevin Pfeffer ]  [ United Kingdom ]
(Rated 5 Star)
I have used this software with its Pro version. Using this software, I have converted MBOX files. It has allowed me to convert over 100 MBOX files at a time. I have converted my MBOX files to PST, EMLX, and NSF files and it gave me the best conversion results.
[ Jean McKeever ]  [ Switzerland ]
(Rated 5 Star)
I downloaded it after a suggestion from my friend and now I have been with this software for two years. This is an incredible utility for viewing emails directly from MBOX files. It shows all data from MBOX files without depending on any additional software or email client.
[ Alexandra Taylor ]  [ Spain ]
(Rated 5 Star)
A year ago, I downloaded this software and also purchased its Pro Plus version license. In my opinion, this is the fastest way to open and read emails from MBOX files. Using this single tool, I have viewed internal emails of various MBOX files. I have also used it to convert MBOX and upload MBOX emails to various cloud mail apps. While using this utility, I never faced any glitches or problems.
[ Bradley McKinnis ]  [ South Africa ]