Mailfossil: Archive Lab
MBOX and EML, indexed
$3.99 · Designed for iPad. Not verified for macOS.
An offline MBOX and EML archive explorer for MIME structure, attachments, threads, dates, participants, duplicates, search, redaction planning, and evidence export.
Mailfossil: Archive Lab is a focused, fully on-device app. An offline MBOX and EML archive explorer for MIME structure, attachments, threads, dates, participants, duplicates, search, redaction planning, and evidence export.
KEY FEATURES
- Stream large MBOX files without uploading messages
- Inspect MIME trees, encodings, attachments, and headers
- Reconstruct threads and participant timelines
- Find exact and near-duplicate messages
- Export selected metadata or redaction worksheets
- Complete bundled sample and local comparison workflow
- Local PDF report and Apple system share export
- Original offline technical reference library
ONE-TIME AND PRIVATE
- One paid download; no subscription or in-app purchase
- No account, advertising, analytics, tracking, or developer-operated backend
- Core features and bundled content work offline
- Work remains on device unless you deliberately share or export it through an Apple system interface
Archive inspection aid. Headers can be forged and threading is heuristic; preserve originals and follow legal, privacy, retention, and evidentiary requirements.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Robert Corbin, 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
- Robert Corbin
- Size
- 76.1 MB
- Category
- Productivity
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Age Rating
4+
- 4+
- Copyright
- © 2026 Robert Corbin
