HOW toview MBOX files?

Kernel for MBOX Viewer is a powerful tool to open and read MBOX files in a Windows environment without MBOX to Outlook PST conversion.

Choose the email client whose email file you want to see.
Add either single or multiple MBOX files for viewing.
View the contents of MBOX file like they are saved in the email client.

Explore software’s key capabilities

The free MBOX Viewer tool has various important features for viewing entire MBOX file data.

Preview MBOX Emails

Preview MBOX emails of 20+ MBOX email clients The software is intelligently designed to work with MBOX files obtained from versatile MBOX-based email applications, such as Evolution, SeaMonkey, Sylpheed, Apple Mail, Entourage, Eudora, Postbox, Opera, & PowerMail. Moreover, the software's GUI integrates all the names of popular MBOX email clients in a single window, which enhances the usability of the software.

Apply Email Filter & Retrieve Commanded MBOX Files

Apply email filter & retrieve commanded MBOX files The software is integrated with dynamic email filter options, which helps in segregating the retrieved emails by selected criteria like To, From, Subject, Date/Time, and Folder. One can access these filter options from the preview windows itself, which is visible on the top of the email list panel as the magnifying glass logo.

Incorporated with Add Files & Add Folder Options

Incorporated with Add Files & Add Folder options The tool allows users to upload single as well as multiple MBOX files with the help of Add Files & Add Folder options. If you have the complete MBOX folders, select "Add Folder option" to add multiple MBOX email items.

Save Retrieved Email List in HTML

Save retrieved email list in HTML Kernel MBOX Viewer software possesses the facility to save email list information in the HTML file format, which can be accessed with the most popular Web browsers like Internet Explorer, Google Chrome, Firefox, etc.

No Restriction to the Size of the File

No restriction to the size of the file The tool is designed to process a single or a set of MBOX file(s) of any size without any limitation or restriction for large-sized files. Also, you can add a whole MBOX file folder depending on your requirement.

Supports all Formats from MBOX Family

Supports all formats from MBOX family The tool is designed to process all sorts of MBOX files coming from the MBOX family, like MBX, MBS, MBOX, MSF, etc. Be it any format, just add it to the tool, and you can view the content easily.

Utilize all Software Features at Free of Cost

Utilize all software features at free of cost The product offers a hassle-free viewing experience of entire MBOX email items at free of cost. One can easily add single or multiple MBOX files, get the required results in the form of a hierarchical structure, and have an unrestricted preview of all MBOX email items.

Supports Latest Software Versions

Supports latest software versions The Kernel MBOX Viewer software is enhanced with advanced compatible functionalities and supports Windows 365, 11, 10, 8.1, 8, 7, Vista, XP, 2000, 98, NT, and 95 Operating Systems. You can also run this tool on various Windows Server editions like Windows Server 2019, 2016, 2012, 2008 R2, 2008, 2003 R2, & 2003.

20 mail clients that use the MBOX file format

MBOX (mailbox) is a file format used to organize and store email messages. MBOX family has six popular file formats:

  • MBX
  • MBS

Many open-source email clients use this format for storing emails. The default location of the MBOX can vary from email client to email client.

Email Clients
  • Apple Mail
  • PowerMail
  • The Bat!
  • Spicebird
  • Gnu
  • PocoMail
  • Mulberry
  • Postbox
  • SeaMonkey
  • Entourage
  • Claws Mail
  • Gmail
  • Opera
  • Netscape
  • Thunderbird
  • GyazMail
  • Sparrow
  • Sylpheed
  • Eudora
  • Evolution
Upgrade to Personal/Corporate License Kernel MBOX Viewer
Frequently asked questions

Here, we give you an easy step-by-step process to open MBOX files.

  1. Download the Kernel MBOX Viewer.
  2. Install and launch the software.
  3. Select the email client of your MBOX files.
  4. Now select individual files or the folder containing MBOX files.
  5. Click the Finish button to open the file in the left pane.
  6. Now you can select and view all the email content of MBOX files along with attachments.

Yes, you can open the MBX file with this tool. Not only MBX, but you can also open MBS and MBOX. Basically, you can open all the formats from the MBOX family.

You can surely proceed with adding as many files as you want; the tool is capable of adding as many files as you require. The tool is equipped with two features, Add files and Add Folder, and you can go for either. If you want to add all files from the same folder, then it is suggested to opt for Add Folder option.

Yes, if you have a file created with Sparrow, Gru, The Bat!, PowerMail, GyazMail, Sylpheed, etc., you can open it with Kernel MBOX Viewer.

No, the tool is free now and will be free for a lifetime; there are no hidden or extra charges associated with this tool.

The tool is specially designed to process every sort of file, be it small or large, single, or multiple. So, relax and use the tool; you won’t face any crashing or lag issues.

Yes, the tool is integrated with a filter feature to search for a specific file from a desired time period. The filter feature of the tool allows you to apply filters on Subject, Date, Time, From, To, and folder.

No, you cannot save the file with this tool; you can only view the content inside the file. If you want to save the file for further use, you can try Kernel for MBOX TO PST tool.

Software Prerequisites & recommendations

About SoftwareAbout Software

Version: 15.8

Release Date: 11 Sep 2015

License Type: Free

System RequirementsSystem Requirements

Hard Disk: 50 MB of disk space

Memory: 64 MB Minimum

Processor: Intel® Pentium Processor compatible (x86, x64) or equivalent

Operating System: Windows 365, 11, 10, 8.1, 8, 7, Vista, XP, 2000, 98, NT, 95 & Windows Server 2022, 2019 & older versions

What customers say about Kernel MBOX Viewer
rating5 (4.9 / 5) 485 Reviews
Excellent feature

I needed to open and read some MBOX files and this viewer did the job perfectly. It was easy to use and had all the features I needed.

Jeffrey Morgan
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