How to Export Mulberry Mail to Office 365 Primary Mailbox? – Complete Tutorial

As businesses increasingly move to cloud platforms, migrating emails from legacy clients like Mulberry to modern services like Office 365 has become essential. Mulberry, an open-source email client launched by Cyrusoft in 1995, originally supported Macintosh and later expanded to Windows, Linux, and FreeBSD. Despite its reliability, development ceased in 2007, prompting users to seek more robust platforms.
Microsoft Office 365 stands out as a leading cloud solution for managing organizational workflows. However, migrating emails from Mulberry to Office 365 can be challenging. This article explores both manual and professional methods to efficiently export Mulberry emails to Office 365 mailboxes, starting with the importance of this migration.
Benefits of Migrating from Mulberry to Office 365
Switching from a desktop-based email client like Mulberry to a cloud-based platform such as Microsoft Office 365 offers numerous advantages, including:
- Regular Updates and Enhanced Security: Since Mulberry’s development stopped in 2007, it no longer receives updates or security patches. In contrast, Microsoft Office 365 continuously updates its apps, ensuring better security and improved features.
- Anywhere Access: Office 365 is cloud-based, allowing users to access their emails and data from any device or location with an internet connection. Mulberry, on the other hand, is limited to the device it’s installed on, lacking platform independence.
- Scalability and Flexibility: Microsoft 365 offers a variety of subscription plans tailored for individuals, small teams, or large organizations, allowing businesses to choose what best fits their needs.
- Integrated Productivity Tools: Office 365 includes a rich suite of apps like Teams, SharePoint, OneDrive, and more that enhance collaboration and productivity, features that Mulberry does not offer.
These key benefits make Office 365 an ideal choice for users looking to upgrade from Mulberry. Next, we will explore the solutions available to migrate emails from Mulberry to Office 365 smoothly and efficiently.
Methods to Export Mulberry Mail to Office 365 Primary Mailbox
Users can choose between two main approaches based on their needs: a manual method that involves detailed steps, and a professional solution that simplifies the process. Below, we’ll explore both options in detail.
Read More – Convert Mulberry Emails to Outlook
Manual Method to Export Mulberry Mail to Office 365
If you want to migrate your Mulberry emails to Office 365 manually, you can use the MBOX file format as an intermediary. Here’s how to do it:
Step 1: Export Mulberry Emails as MBOX Files
- Open your Mulberry email client.
- Select the mailbox or folder you want to export.
- Use the Export option (usually found under the File menu) to save the selected emails as MBOX files.
- Choose a location on your Mac to save these MBOX files securely.
Step 2: Convert MBOX Files to Outlook-Compatible Format
- Unfortunately, Outlook doesn’t natively support importing MBOX files.
- You will need to convert the MBOX files to a format supported by Outlook, such as PST or EML.
- You can use third-party tools or converters to change MBOX files into PST or EML files.
Step 3: Import Converted Files into Outlook
- Open Outlook on your Mac or Windows PC.
- For PST files:
- Go to File > Open & Export > Open Outlook Data File and select the converted PST file.
- For EML files:
- Simply drag and drop the EML files into the Outlook mailbox or folder where you want them.
Step 4: Add Office 365 Account to Outlook
- If your Office 365 account is not already added, configure it in Outlook via File > Account Settings > Add Account.
- Make sure your Office 365 mailbox is synced properly.
Step 5: Move Imported Emails to Office 365 Mailbox
- Once the emails are available in Outlook, simply drag and drop or copy the imported emails/PST folders into your Office 365 mailbox.
- This uploads the emails to your cloud Office 365 account.
Drawbacks of the Manual Method
- The process is time-consuming and involves multiple complex steps.
- There is a higher risk of errors during file handling and transfer.
- Achieving accurate and complete results can be challenging.
- It requires a strong understanding of file formats and Outlook, which may be difficult for non-technical users.
Export Mulberry Mail to Office 365 Using CubexSoft Mulberry to Office 365 Tool
Migrating emails from Mulberry to Office 365 manually can be complicated and time-consuming due to the MBOX file format incompatibility with Outlook and Office 365. CubexSoft MBOX Converter offers a reliable and straightforward solution to simplify this process by directly converting Mulberry MBOX files into Office 365-compatible formats.
Why Choose CubexSoft Mulberry to Office 365 Tool?
- The tool supports direct export of MBOX files from Mulberry to Office 365 mailboxes, eliminating the need for intermediate conversions.
- Ensures all email properties, such as attachments, metadata, formatting, and folder hierarchy, remain intact during the conversion.
- Suitable for both technical and non-technical users, with an easy-to-navigate interface.
- Besides Mulberry, it supports conversion from other popular MBOX-based email clients like Thunderbird, Apple Mail, Eudora, etc.
- Enables converting multiple MBOX files simultaneously, saving time and effort.
- Allows users to filter emails by date range or specific folders before export, giving more control over the migration.
Step-by-Step Guide to Export Mulberry Mail to Office 365
Step 1: Download and install CubexSoft MBOX to PST Converter on your Mac or Windows system.

Step 2: Launch the software and click on the Select Files or Select Folders button to load your Mulberry MBOX files.

Step 3: Preview the loaded emails and select the required folders or emails for migration.

Step 4: Choose Office 365 as the saving or export option.

Step 5: Enter your Office 365 login credentials to connect the software with your Office 365 mailbox.

Step 6: Apply any optional filters or settings as per your migration requirements.

Step 7: Click the Convert button to start the export process.
Step 8: Once the migration is completed, the software will notify you. Log in to your Office 365 account to verify the imported emails.
Conclusion
While exporting Mulberry emails to Microsoft 365 can be a complex process, it’s essential for keeping your organization aligned with modern communication standards. In this guide, we’ve outlined two approaches to migrating Mulberry Mail to Office 365 mailboxes. Although the manual method is available, the professional solution stands out for its speed, reliability, and data integrity. For a smooth and efficient migration, consider using a trusted tool like CubexSoft MBOX to Office 365 Converter, which also offers a free demo version to evaluate its features before full deployment.
