MBOX to MHT conversion is easy if you have the right tool and you will get it here!
MHTML file is a web page archive format that combines the HTML code and resources like images, Flash, applets, audio, and video files. This file comes in two formats: .mhtml and .mht. It uses the same encoding as developed for HTML emails in the early stages.
MBOX is a mailbox file that stores multiple email messages in a single text file. It comes in many formats, mainly: MBOX without extension, .mbox, .mbx. It stores messages in a concatenated manner.
After receiving many queries asking for an efficient MBOX to MHTML converter tool, we decided to give it a go and update our software with this functionality.
Introducing the…
Convert MBOX to MHT Format on Mac OS
The Best Way to Export MBOX to MHT Web Archive Files.
MBOX Converter for Mac OS is definitely the best solution for exporting emails to MHT in bulk. It has all the necessary features you will require during the conversion process.
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Some benefits of using this system utility are:
- Ability to convert multiple MBOX files at once
- 8 more file formats to choose from other than MHT
- Able to set a naming convention for the exported MHT files
- Filter out emails that fall within a specific date range
- Process MBOX files of all origins (email client, webmail, backup service, etc)
- MHT files cannot hold attachments, so the tool extracts attachments from the MBOX file into separate folder(s)
Steps to Convert MBOX to MHT Files
1. Run the software and click on Add File.

2. Browse and add the MBOX file to the software panel.

3. Verify the browsed MBOX file and remove unwanted files. Then, click the Next button.

4. Select the MHT radio button from the export type.

5. Click Advanced Settings to apply filters to the MBOX file and the naming convention for MHT.

6. Select the destination to save the files after conversion.

7. Finally, click the Export button to start converting the MBOX to an MHT file.

8. Once done, click on OK in the confirmation window.

You can open the destination location within the program by clicking on the View Report button. At the destination, you will see Export Report that contains the conversion report as well as the folder containing converted MHT files.
Steps to Convert MBOX to MHT File on Windows OS
SysTools MBOX Converter lets you export complete data from an MBOX file to the MHT format on Windows.
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Step 1: Download the MBOX to MHT converter software and launch it on a Windows system. Hit Add file button.

Step 2: Navigate to the location and select the MBOX File(s) or the folder containing multiple MBOX files.

Step 3: Preview data in the software panel and verify before exporting the MBOX file in MHT format. After that, hit Export button.

Step 4: Select the MHT radio button from the export options and then apply the required advanced settings. Browse the path to save the output MHT file and hit the Export button.
Step 5: Verify the output MHT file from the provided location.
If you want to view these archive files, you can always download the Free MHT Viewer for Windows. It helps you open MHT files without the need for external applications like IE, Chrome, etc.
Summarizing Everything
File conversion is typically very complex and can easily lead to data loss if not done properly. We recommend not opting for an online MBOX to MHTML converter since your data will be uploaded to the server and others can access it anytime.
It’s better to go for a trusted brand to easily convert MBOX files to MHT without any hassle.