PST Viewer & Converter

PST to MBOX — Professional Outlook Archive Conversion
PST to MBOX is a powerful utility designed for professionals who need secure, accurate access to Outlook PST archives and reliable export to the industry-standard MBOX format.
Whether you’re reviewing archived mailboxes, preparing migrations, or managing email backups, the app delivers precise conversion while preserving mailbox integrity.

One Subscription. All Your Devices — Mac, iPad & iPhone.

Pay once and unlock the full app across your Apple devices: iPhone, iPad, and Mac.
Use the same professional tools everywhere you need them.

NO ADS
Enjoy a clean, focused experience with no ads and no interruptions.

KEY FEATURES

• Open and View PST Files
Browse Outlook PST archives directly on your device. Preview emails with full metadata and read attachments without converting the file first.

• Accurate PST to MBOX Conversion
Export complete mailboxes to the standard MBOX format while preserving folder hierarchy and mailbox structure. Message metadata including To, From, CC, BCC, Date, and Subject are fully retained, along with all attachments.

• Selective Export Control
Convert only the folders you need. Filter emails by date range and process multiple PST files in a single workflow.

• Built for Professional Workflows
Optimized to handle large PST archives with stable and efficient processing.

• Private and Secure
All processing happens locally on your device. Your email data never leaves your iPhone, iPad, or Mac.

IDEAL FOR

• Migrating Outlook archives to Apple Mail, Thunderbird, and other MBOX-compatible clients
• Email backup and long-term archiving
• IT administrators managing mailbox migrations
• Compliance and eDiscovery workflows

View PST archives with clarity.
Convert to MBOX with precision.
Professional email migration for iPhone, iPad, and Mac.

Send feedback to: admin@yenpi.com