If you’re planning to migrate to Microsoft Outlook from an email client, like Thunderbird, Apple Mail, Eudora, etc., then it is obvious that you need to convert the MBOX file into Outlook importable PST format. Though there are several ways and options available to convert MBOX to PST, in this article, we will be sharing with you some free mbox to pst converter tools.

Methods to Convert MBOX File to PST for Free

Let’s now take a look at a few free methods to convert MBOX file to Outlook PST file format.

Method 1: Use Online MBOX Tool

If you are looking for a quick and simple tool to convert MBOX file to PST file format, then Stellar Converter for MBOX Online is the tool for you. It is a powerful web-based tool that lets you convert MBOX to PST without any cost. It doesn’t require to install Outlook program or any additional tool. All you need is a stable internet connection and a web browser to access the tool and perform the conversion process.

Here are some features of this tool:

• Free and secure 
• Quick and simple to use
• No need to install Microsoft Outlook
• Previews mailbox items including emails, attachments, etc.
• Converts MBOX files of all the primary email clients, like Thunderbird, Eudora, Apple Mail, etc.

Now, let’s see how to use this online tool to convert an MBOX file to PST:

• Launch a web browser, like Microsoft Edge, Mozilla Firefox, etc. and go to the free online MBOX to PST converter tool webpage. Sign up to proceed.

• After logging in or signing up, its home page will appear. Click on Upload MBOX File.

• Locate and select the MBOX file on your system and click Open.

• The tool will begin uploading the selected MBOX file. When the file is uploaded, it will update the status to File Uploaded. Click on Start Conversion.

• The tool will begin analyzing the selected MBOX file and convert it to PST.

• Next, it will generate a preview of the mailbox items.

• Once the operation is complete, it will show the File Converted Successfully window.

• Select from the given options:
  • Preview button will generate and save the mailbox preview in an HTML file on your system.
  • Save PST File button will save the converted PST file on your system.

The online version of the tool is suitable for converting MBOX file up to 5 GB. If you need to convert larger, multiple MBOX files, then you can install the desktop version of this tool. It is developed for seamlessly converting MBOX to PST file. Moreover, you can use it to save the emails from an MBOX file as EML, HTML, PDF, and other formats. 

In addition, this software is fully compatible with MBOX files of email clients, such as Mozilla Thunderbird, Apple Mail, Entourage, Eudora, Google Takeout, etc. The free trial version of this software allows you to scan the MBOX file and preview the mailbox items. This helps you to evaluate its functionality and verify its effectiveness. However, for utilizing its full functionality and saving the converted file items, you’re required to acquire the license key.

Method 2: Save MBOX Emails in EML Format and Transfer them to Outlook

There is also a workaround for converting the MBOX file into PST for free. In this, you need to have an MBOX-supported email client, like Thunderbird that you use to open your MBOX file. After opening the MBOX, you can simply save the emails in EML files and then drag and drop them into Outlook. Below, we will how to use this workaround.

Note: Here, we will be using Mozilla Thunderbird application for demonstration purpose.

Launch Mozilla Thunderbird on your PC and then install the ImportExportTools NG add-on. Import the MBOX file.

• Select the emails you want to transfer to Outlook.
• Right-click on them and click on Save As.
• Choose a folder to save the selected emails as EML files and click on Select Folder. 
• Next, launch MS Outlook desktop app.
• Create a new folder in Outlook (right click in left pane and select New Folder). Give the folder a name (e.g. MyMBOXEmails).
• Now, select the EML files (MBOX emails), and drag and drop them into the newly created folder. You can open both applications side-by-side in split-view for easy transfer.
• You will see your MBOX emails in the new folder. 
• Now, use the Outlook’s built-in Import/Export wizard to export these emails to PST file.

Limitations of the Above Workaround

The above workaround is completely free but it has certain limitations, such as:

• Lengthy and time-consuming process
• Installation of multiple software is required
• Chances of missing mailbox items
• Not suitable for converting large number of emails or multiple MBOX files

Conclusion

To convert MBOX to PST for free, follow the methods mentioned above. The online version of Stellar Converter for MBOX can easily convert smaller MBOX files to PST for free. If you’ve bigger, multiple MBOX files, then you can for the desktop version of this MBOX to PST converter software that facilitates safe and quick conversion of MBOX files of any size.