Convert EML to MHT Format Securely in Bulk – Best Ways

Published By Karen Chard

Approved By Rollins Duke

Published On August 8th, 2025

Reading Time 7 Min Read

Emails are the most widely used for personal and professional communication, which need to be stored, archived for future references. An EML is a common file format used by email clients for emails, so why does a user need to convert EML to MHT? Sometimes you may need to make your emails easier to view, share, and back up. MHT or MHTML format allows you to archive data files in the complete original layout and formatting with inline images and content.
In this informational article, we will be going to learn to export from EML to MHTML format in the easiest and smartest way, which will prevent your crucial data from data loss or corruption.

How to Convert EML to MHT? Quick Answer

If you are looking to save EML file as MHT, you can either do that by manual method via Outlook, or you can simply use an automated tool for an easy and simplified conversion. In the manual method, you will have to convert your data files one by one, which will consume a lot of time and effort. On the other hand, using the professional way, you can export from EML to MHTML in just a few minutes in bulk. Let’s know more about both methods briefly in the article.

Why Does a User Need to Convert EML to MHT Format?

MHT is a universal format that can be opened in most browsers without any hassle or errors.
You can save multiple EML files, images, or styles in one file in one place in MHT format.
Converting EML to MHT preserves your original formatting and layout of the crucial data files.
It is best to convert EML to MHT, as it works great for legal & professional record keeping. It makes the sharing, archiving, and accessibility easy.

Export from EML to MHTML Using the Manual Approach

You can convert EML into MHT using MS Outlook Classic. Let’s see the detailed steps for the same:

Firstly, open your computer folder and browse and select the EML file you want to convert.
Right-click on the file > open with > Outlook.
Now, after opening EML files in Outlook, go to the File option and click on the Save as option.
Lastly, select your save as option as MHT file format and save the file.

Note: Repeat this process from scratch, one by one, as Outlook does not support bulk conversion. The manual methods come with various limitations, which make it difficult to convert EML to MHT, which are discussed below.

Drawbacks of Converting EML to MHT Manually

The manual method cannot convert EML file into MHT format in bulk. It cannot handle bulk files effectively, and if a user tries to do so, it can corrupt your data files or lead to permanent data loss.
It is a time-consuming process, as each step has to be done manually one by one for each EML file.
Outlook installation is mandatory if you want to convert EML to MHT manually. It requires third-party software, which not all users have.
There is a risk of formatting and data loss. While migrating EML to MHTML, there are chances that formatting, style, fonts, images, or content get lost.
Sometimes manual methods fail to export from EML to MHTML with attachments or images.
It is a complex process and requires technical knowledge; otherwise, it can lead to data loss.

Automated Way to Convert EML to MHT

If you need a professional and secure solution to save EML file as MHT, use the RecoveryTools EML Converter, which is the best choice when you have multiple large EML files to process. This expert EML to MHT converter can directly export EML files in bulk without size limitations and corrupting the data. Let’s learn about this software more briefly below.

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How to Convert EML File into MHT Using Expert Tool? 5 Easy Steps

First, install the professional software.
Then, click on the “select folders” or “select files” option to choose your data files to convert.
Now, choose your file saving option as MHT and browse your destination path.
You can choose advanced filter options to specify and organize your data professionally.
Lastly, hit the Next button to convert EML to MHT.

Why You Should Prefer to Export from EML to MHTML Using a Professional Tool?

When migrating EML to MHTML via expert software, it preserves the original formatting, layout, fonts, images, and attachments of the files.
It allows users to convert EML into MHT in bulk. This tool can export hundreds and thousands of emails in one go, which saves a lot of human time and effort.
This software does not require any third-party application, like Outlook or Thunderbird, to convert EML to MHT. It is an independent software that requires no installation of any other application to complete the conversion process.
It provides complete data security as it keeps the data files untouched and unedited and does not save them on its server.
You can preview the EML files before the final step. This option gives users the option to correct any sort of errors or mistakes before final migration.

Complex vs Smart Solution

When you need to export from EML to MHTML in batch, manual steps can take hours, while automated tools can do that in minutes. Without any size limitation or risk of data corruption, you can easily select n number of files and directly change EML to MHT format. The advanced filters provided help users to organize the data specifically according to their needs, like you can convert EML files as per by, from, to, date range, file name, etc, which will help users to have a personalized and specified conversion.

This professional utility offers 100% data security as it does not upload the data to the cloud and keeps it untouched. The data is not saved in its own environment; instead, a copy of the files is transferred to convert into MHT, which keeps the original files the same as before. It preserves the attributes of email messages, like content, format, text, font, inline images, attachments, metadata, properties, etc.

You can convert EML to MHT format using this professional tool without any technical knowledge or prior training. It is the easiest software to access as it has an easy-to-use interface, which allows non-technical users to easily run the software without any complexity. It has a dual mode to select the data files/folders, in which you can browse and select your desired files/folders. This special solution is the best choice for you if you want to export from EML to MHTML safely without any errors.

Conclusion

As we have seen above, we can conclude by saying that manual methods are not meant for professional and as well as personal use if you want to export from EML to MHT in batch. The risk factor comes in when migrating via manual methods. On the other hand, using the automated EML to MHTML converter is the smartest choice to convert EML to MHT, as it is the fastest, accurate, safest, and reliable choice.

FAQs

Q1. Is it possible to open MHT file without Outlook?

Yes, by using the professional EML to MHT converter, you can turn EML into MHT without Outlook or any other third-party application.

Q2. Does converting EML files into MHT affect or lose attachments?

No, while converting via an automated converter, it has the ability to change EML to MHT with attachments and complete formatting and attributes.

Q3. Can I convert EML files into MHTML directly by using Thunderbird?

No, it does not allow directly to convert EML to MHT but you can use the ImportExportTools add-ons.

Q4. Will my metadata be saved while exporting EML file into MHT?

Yes, the expert utility preserves the original folder hierarchy with metadata and properties of the data files.