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Every user is familiar with Outlook. The PST file format is used to store full mailbox items. PST files are not a common file format that many users use. Users therefore intend to change the PST files' email clients and file formats. Users convert Outlook files to Thunderbird for a variety of reasons. This blog post will go through the benefits of converting PST files to MBOX. Additionally, there are several restrictions and ways to fix problems with file conversion.

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Before continuing, we shall discover the potential reasons why files cannot be converted from PST to MBOX. Then, we'll emphasize the relevant procedures. Additionally, you may quickly learn how to export PST without attachments to MSG.

Users export Outlook PST to MBOX for many reasons.

Users convert their PST files to Thunderbird MBOX format for a variety of reasons. The following is a discussion of some of the conversion's causes:

A user switching from one Organization to another is one of the Key Causes.

  • Users must convert PST files into other file formats because there is a good probability that they will become damaged or corrupted.
  • Instead of using the MBOX file format, which can be accessed from any working device, users typically use the Windows operating system when converting emails from Windows to an email client.
  • One of the main causes is that only PST files are supported by the Microsoft Outlook application.

We covered the justifications for exporting PST to an MBOX file in the sentence above. We will now discuss a few techniques for exporting PST files to the MBOX file format.

How do I manually convert a PST file to an MBOX?

To export or backup the PST file into MBOX format, there are numerous methods. One of the crucial manual actions to resolve the conversion of PST files is covered in the steps that follow. Put the steps in the right order.

First, remove the PST file from Outlook.

  • Open the desktop version of Outlook on your computer, then select the File tab.
  • Click the Import/Export icon under the Open & Export tab.
  • Then, under the Import and Export Wizard, choose the Export a File option. Click Next.
  • Select Outlook Data File (.pst) next, and then click the Next button.
  • After selecting the PST file with the Browse button, click the Open button.
  • Finally, select the optional features and click Finish.

Here, Outlook's PST file has been successfully exported. You will import that PST file into the Thunderbird file format in the following step.

Adding a PST file to your Thunderbird account in step two

The exported PST file will now be imported into the Thunderbird Mail account. Follow the instructions mentioned below, step by step.

  • Open the Thunderbird Mail program on your computer or device.
  • Select Tools from the Display menu by finding it in the Thunderbird menu.
  • Click on the import option after choosing it.
  • Select the items you wish to import after that, and then click the Next button.
  • Select Outlook and press the Next button in the window that appears.
  • Click the Finish button once your Outlook PST files have been successfully imported into Thunderbird in MBOX format.

Once you've read the aforementioned procedures, the manual approach will be easy. But it needs a foundation in technological expertise. Users occasionally convert files, but the outcome is not always what is desired. We will also go over a few issues with the manual fixes mentioned above.

Vulnerabilities of Manual Migration:

  • It is a time-consuming and laborious operation.
  • It converts PST files without attachments to MBOX files.
  • It may occasionally produce unintended outcomes.
  • Users must possess some fundamental technical expertise.
  • If a user is unfamiliar with something, they frequently forget certain stages.
  • To finish the process, a guide is required.

As we can see, when utilizing manual methods to convert PST files, the solutions mentioned above have a number of problems. The ideal technique is using a third-party tool or professional methods, which is why the majority of people prefer a better strategy for converting PST files to MBOX.

Method 2: Reliable Solution: Export PST File to MBOX without Outlook

We've launched the WholeClear Outlook PST to MBOX Converter Software, which effectively converts PST files to MBOX, to get beyond all the aforementioned drawbacks. In reality, the program is packed with a tonne of cutting-edge features that give consumers a comfortable and effective experience. Additionally, users can bulk convert PST files to MBOX format using this wizard without losing any data. To help you comprehend the utility's operation better, we'll mention it now.

Steps for the Converter Tool:

  • First, download and launch the tool on your PC or laptop.
  • Next, upload one or more PST files to start the conversion process.
  • Then, in a preview window, look through all the files and mark the ones you want to convert.
  • Select the MBOX file format from the drop-down menu in addition.
  • You can also choose the extra features properly.
  • At last, click Convert to start the PST to MBOX conversion process.

Related Post: – How to Convert Outlook PST Files to MBOX Email Clients


Both the basic methodology and the professional method to convert a PST file to an MBOX have been covered in the aforementioned blog. The manual method, however, has significant drawbacks. Therefore, we advised consumers to use the automated tool. We sincerely hope that you found it informative and that it answered your questions. Users can easily export PST files in the text file format with the aid of this program.


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