How to Open MBOX File With / Without Email Clients?

Admin | March 23rd, 2021 | MBOX, Thunderbird

The MBOX file (short for the mailbox) stores an email collection. Email programs and various online Web systems can output data in MBOX file format. Some email programs (Thunderbird, Apple Mail) can open data from MBOX files, or you can select the MBOX Viewer Tool to open MBOX file.

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A Short Note on MBOX File

The MBOX file is a standard file format used to store multiple emails. They are dedicated text files that store emails as plain text, separated by headers. They can store email attachments (including their content) and files encoded in a standardized way.

How to Open MBOX File with Thunderbird?

You can easily open MBOX file with free Thunderbird email client. Just install Thunderbird and follow the below-mentioned steps:

1. Open Thunderbird >> Menu >> Account Settings

Account Settings

2. In Account Settings >> Local Folders >> Browse MBOX Files Containing Folder

Open MBOX File in Thunderbird

3. Thunderbird will Popup Windows to Restart. Click “Restart”


4. Open MBOX File in Thunderbird under the “Local Folders”.

How to Open MBOX File without Any Email Client?

If you do not want to open an MBOX file in Thunderbird or other e-mail programs, you can use other methods to open its contents. You can download the Free MBOX Viewer program, which allows you to browse the data of the MBOX file. The program provides various functions to open emails and attachments of MBOX files.

This is a great software that allows users to open Windows or Mac-based MBOX files. With the help of the Tool, open MBOX files from more than 20 email applications. In addition, get a preview of MBOX files from any email clients on Windows OS 10, 8, 7 (32 bit or 64 bit) & Windows Server 2016, 2012 R2, 2008.

Best and Additional Features of the Software

  • Open MBOX email smartly with related contacts, calendar information
  • Independent of any email client to open MBOX files with email attributes
  • Free tool supports MBOX files based on Windows and Mac email clients
  • No file size limit, no ability to open MBOX files for forensic analysis
  • Dual-mode scanning options to browse and open damaged MBOX files
  • Simple and easy to use a free utility to open MBOX files and folders

Step by Step Guide to Open MBOX Files

Follow the below mentioned four steps process to open MBOX files without any email clients environment:

1. Free Download and Open FreeViewer Tool


2. Option to Add File or Folder Containing MBOX

Open MBOX File without Thunderbird Email Clients

3. Get Multiple Preview Modes: Normal, Hex, Message Header, etc.

Multiple Modes to Open MBOX File

4. Upgrade to Pro for Export, Search, and Print Options.


Summing Up

Now you get solution to open MBOX files with thunderbird and without any email clients. Both solutions are free to use in any Windows OS such as Windows 10, 8, 7 or Windows Server 2016, 2012 R2, 2008. The first solution depends on email client installation and the second one is the independent tool.