Mail Archive Viewer
Open email archives on your Mac. Drag, drop, read. No Outlook, no subscriptions, no servers.

Supported Formats
Key Features
All Major Formats
Open PST, OST, OLM, MBOX, and EML files. Outlook for Windows, Outlook for Mac, Apple Mail, Thunderbird, and Gmail exports.
Full-Text Search
Search across all messages by sender, recipient, or subject. Results appear instantly with a count.
Privacy Protected
JavaScript is disabled and remote images are blocked in email previews. No tracking pixels, no external requests.
Attachment Support
View and save email attachments directly to disk. Supports all common file types.
Sort & Organise
Sort messages by date, sender, or subject. Navigate folder trees just like your email client.
Export as EML
Export any message as a standard EML file that can be opened in any email client.
Perfect For
Email Migration
Switched email providers? Read your old PST and OLM archives without installing Outlook.
Legal & Compliance
Review email archives for legal discovery, compliance audits, or internal investigations.
Backup Verification
Verify your email backups are intact and readable without restoring them to a mail client.
Privacy & Security
100% Offline & Private
Mail Archive Viewer never connects to any server. Your emails are read locally on your Mac and never leave your device.
Ready to Open Your Email Archives?
Stop wrestling with Outlook just to read old emails. Drag, drop, done.