Turning from Outlook to Thunderbird or another MBOX-supported email client? While migrating your emails can be difficult, using the correct PST to MBOX converter guarantees a seamless change. This post will walk over the best tool, PST to MBOX Converter, along with a hand approach for PST file conversion.

Why can Outlook PST be Converted to MBOX?

Cost-effective, platform-compatible, or personal choice drives many users from Microsoft Outlook to Mozilla Thunderbird, Apple Mail, or another MBOX-supported client. Outlook, however, saves emails in PST format; Thunderbird and other email clients use MBOX format, which makes conversion required.

Best PST to MBOX Converter tool for 2025

The Ultimate Solution is found in DataVare PST to MBOX Converter Software. Quickly and simply to Convert PST to Thunderbird (MBOX) with this application. With all email clients: Thunderbird, Apple Mail, Power Mail, etc. You can quickly convert the bulk Outlook PST to MBOX.

Key Characteristics:

1. No File Size Restrain: Convert big PST files.
2. Maintaining Folder Hierarchy - Organizes emails.
3. Exports Attachments: pictures, papers, and more.
4. Supported all PST formats: ANSI and Unicode PST from Outlook 2003 - 2021.
5. Works on Every Windows Version, Including Windows 11, 10, 8.1, 8, 7.
6. One-hundred percent secure conversion guarantees data safety.

Use these basic guidelines:

• Get and install PST to MBOX Converter on your machine.
• Click Add File then review the PST file you wish to convert.
• The output format is MBOX.
• Choose the folder for destination where the converted file should be kept.
• To begin the PST to MBOX migration procedure, click the Convert Now Button.
• After finished, import the MBOX file into either Thunderbird or any MBOX-supported email client.

For consumers who want a hassle-free conversion experience, this fast, safe, zero-data-loss approach is the finest one available.

Manual PST to MBOX (Without Software) Conversion Method

Follow these guidelines if you have Outlook installed and would want a free approach:

First: Set up an IMAP-based Gmail account.

• Open Outlook, then visit File > Add Account.
• Enter your Gmail login and activate IMAP settings in Gmail.

Second step: forward Outlook emails to Gmail.

• Inside Outlook, create a fresh Gmail folder.
• Emails from your PST file drag and drop into this folder.
• Set up Gmail with Thunderbird and export as MBOX in the third step.

Open Thunderbird, then add your Gmail account.

• Copy to Local Folders after right-clicking the Gmail folder.
• Go now to Thunderbird's profile folder to locate the MBOX file.

Final Thought

Your demand will determine the appropriate PST to MBOX conversion technique. PST to MBOX Converter offers quick, safe, and effective email migration should you want an automated, hassle-free solution. The IMAP way can work, but it takes time. If you're at ease with a manual approach.

Try the best PST to MBOX converter right now and easily migrate your emails!