How to Open PST Files in Mulberry Email? – Ultimate Guide!

Ritu Roy | Email Conversion How to's mailbox Software Technology | 4 minutes read | Modified on: 03-10-2026

In this article, we will explain how to import PST files into Mulberry Email without making the migration process complicated. Since Outlook stores mailbox data in the proprietary PST format and Mulberry uses different mailbox structures, transferring emails directly can be challenging. Manual methods may require several steps and can sometimes affect email formatting or data integrity. We will explore practical ways to move Outlook PST data to Mulberry and discuss how a dedicated solution such as CubexSoft can make the migration faster, simpler, and more reliable.

Import PST to Mulberry Email Quickly: Step-by-Step

Mulberry is an open-source email client developed by Cyrusoft. Since it does not provide a built-in option for opening or importing Outlook PST files, users need to convert their PST data into a compatible mailbox format before bringing it into Mulberry. MBOX is one of the commonly supported formats, making PST email to MBOX conversion a practical approach for this migration.

If you are looking for a simple way to move Outlook emails to Mulberry, the CubexSoft PST to MBOX Converter can make the process easier. Since Mulberry does not directly accept Outlook PST files, converting the data into MBOX format provides a practical way to prepare your mailbox for migration.

The tool allows users to select one or more PST files and convert their email data into MBOX format without requiring complicated technical steps. It is designed to preserve important mailbox information, including email content, attachments, folders, and other message details during the conversion.

Once the PST files have been converted, the resulting MBOX files can be imported into Mulberry. The application works independently, so users can perform the conversion without needing Microsoft Outlook to be installed on the same computer. This makes it a convenient option for users who want to transfer their Outlook mailbox data to Mulberry in a straightforward manner.

How to Import PST to Mulberry Email Using Automation

Using a dedicated PST to Mulberry tool can simplify the process of moving Outlook mailbox data to Mulberry. Follow these steps to complete the migration:

  1. Download, install, and open the Outlook Converter on your Windows computer.
  2. Go to Add Files option to import the required Outlook PST files into the application.
  3. Once the files are loaded, preview the available folders and select the emails or mailboxes you want to transfer.
  4. From the available saving options, choose MBOX and specify a destination folder for the converted files.
  5. Click the “Convert” button and allow the software to create the MBOX files.

Steps to Import MBOX Files to Mulberry

  1. After conversion, locate the generated MBOX file and change its extension from .mbox to .mbx, if required by your Mulberry setup.
  2. Navigate to Mulberry’s mailbox storage folder. On older Windows installations, it may commonly be located at: C:\Documents and Settings\Administrator\Application Data\Cyrusoft\Mulberry\Mailboxes
  3. Place the renamed .mbx file inside the appropriate Mulberry mailbox folder.
  4. Open the Mulberry email client and check the mailbox list. The newly added mailbox should now be available for accessing the imported email data.

This method avoids manually recreating individual messages and provides a structured way to transfer PST-based mailbox data into Mulberry.

Useful Features of CubexSoft PST to Mulberry Converter

The CubexSoft PST to Mulberry Converter comes with several features that can make PST migration more convenient and flexible. Some of its key capabilities include:

  • Flexible saving options: Save the converted MBOX files to a local hard drive, USB drive, or network location according to your requirements.
  • Preserves email details: Maintains important mailbox information such as To, From, CC, BCC, subject, sent and received dates, message content, and attachments.
  • Automatic PST search: The software can scan selected locations to find PST files stored in different folders and load them for conversion.
  • Supports Windows and Mac: The application is available for users working on both Windows and macOS systems.
  • Maintains folder structure: Keeps the original mailbox hierarchy, including Inbox, Sent Items, and user-created folders, organized after conversion.
  • No Outlook dependency: You can convert PST files without installing or configuring Microsoft Outlook or another email application.
  • Supports different PST versions: The tool works with both older and newer Outlook PST file formats.
  • Selective email filtering: Users can narrow down the conversion by applying filters based on date, sender, recipient, subject, or specific folders.
  • Handles protected PST data: It provides options for processing secured or password-protected PST files, depending on the file condition and supported access method.
  • Batch conversion: Multiple PST files can be processed together, which is useful when working with large mail archives or several Outlook profiles.

Final Words

In this above article, we have explained how to import Outlook PST files into Mulberry Email and discussed the challenges involved in transferring data between different mailbox formats. We also covered how the CubexSoft PST to Mulberry Tool can simplify the migration by providing options for selective conversion, folder preservation, email filtering, and batch processing. By using a dedicated conversion solution, users can make the PST to Mulberry migration more convenient while keeping their important email data organized.

Frequently Asked Questions

Q1. Do I need Microsoft Outlook installed to migrate PST files to Mulberry?

No. A dedicated PST conversion application can process the PST files independently, so Microsoft Outlook does not necessarily need to be installed on the computer for the conversion.

Q2. Will attachments and email details remain intact after conversion?

The converter is designed to retain important email components, including message content, attachments, sender and recipient information, subject lines, and other header details during the conversion process.

Q3. Can I convert only specific emails or folders?

Yes. The software provides filtering and selection options that allow users to choose particular folders or narrow the migration according to criteria such as date range, sender, recipient, or subject.

Q4. Can multiple PST files be converted at once?

Yes. The batch conversion feature allows users to add multiple PST files and process them together instead of converting each file individually.