Open Winmail.dat files on the go!

Letter Opener for iOS

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What's in a Winmail.dat file?

An email message from Microsoft Outlook.

What is a ZIP file?

A ZIP file may contain one or more compressed files or directories.

Reviews

It just works. I have been using this app for years. Opens up when needed and quickly converts .dat files. Highly recommended!
Foodyfoo

Perfect · Always opens PC to Mac attachments! Very useful for our firm's technology mix.
Non-Tech

Very easy to use, opens winmail.dat attachments effortlessly to recover attachments within
Mr. Zinc

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Letter Opener for macOS Mail

Seamlessly and automatically converts winmail.dat files right inside your macOS Mail application. With Letter Opener for macOS Mail the attachments appear like any others!

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Letter Opener for Windows

PC users can join in, too! The best Winmail.dat Viewer has finally arrived on Windows.

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Letter Opener for iOS

Get full-featured winmail.dat viewing power for iPhone & iPad that doesn't feel like you left something important back at the office.

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