Mbox Splitter Pro - EML Viewer
Email Archive Browser & Export
Only for Mac
$4.99
Mac
Split massive .mbox archives in seconds. Streaming parser handles 9GB+ files without choking. Export to .eml, browse offline, your data never leaves your Mac.
Mbox Splitter Pro is the fastest way to open, browse, and export emails from mbox archive files on your Mac.
Whether you're migrating from Gmail Takeout, archiving Thunderbird mailboxes, or processing Apple Mail exports, Mbox Splitter Pro handles files of any size with its streaming parser — even 9GB+ archives.
OPEN & BROWSE
- Drag and drop .mbox files or use the file picker
- Native 3-column layout: file list, email list, and full preview
- Supports both Unix mbox and Apple Mail .mbox package formats
- Auto-generated sender avatars with initials and colors
SEARCH & FILTER
- Full-text search across sender, subject, and body
- Filter by date range, sender name, and attachments
- Sort by date, sender, or subject
- Automatic deduplication removes duplicate emails by Message-ID
PREVIEW
- Rich HTML email rendering with dark mode support
- View raw email source for debugging
- See attachment names with file-type icons
- Copy email text to clipboard in one click
EXPORT TO 5 FORMATS
- EML: Standard email format for Outlook, Apple Mail, Thunderbird
- PDF: Archive-ready documents with styled headers
- HTML: Web-ready files with preserved formatting
- Plain Text: Clean body-only export
- CSV: Spreadsheet with all metadata (date, from, to, subject, attachments)
CUSTOMIZABLE FILENAMES
- Choose from 4 built-in templates or create your own
- Use placeholders: {date}, {sender}, {subject}, {email}, {index}
- Automatic sanitization of invalid filename characters
BUILT FOR PERFORMANCE
- Streaming parser processes files in chunks — no memory spikes
- Async processing keeps the UI responsive during large imports
- Handles 9GB+ mbox files without breaking a sweat
PRIVACY
Mbox Splitter Pro runs entirely on your Mac — no data leaves your device. No accounts, no analytics, no tracking. App Sandbox enabled for security.
Requires macOS 13.0 (Ventura) or later.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Bug fixes and performance improvements.
The developer, Evgeny Goncharov, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Evgeny Goncharov
- Size
- 6.4 MB
- Category
- Utilities
- Compatibility
Requires macOS 14.0 or later.
- Mac
Requires macOS 14.0 or later.
- Mac
- Languages
Arabic and 27 more
- Arabic, Belarusian, Catalan, Croatian, Czech, Danish, Dutch, Finnish, French, German, Greek, Hebrew, Hungarian, Italian, Japanese, Korean, Norwegian Bokmål, Polish, Portuguese, Romanian, Russian, Slovak, Slovenian, Spanish, Swedish, Traditional Chinese, Turkish, Ukrainian
- Age Rating
4+
- 4+
- Copyright
- © 2026 TechConcepts.org
