Letter Opener for iOS
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.
It just works. I have been using this app for years. Opens up when needed and quickly converts .dat files. Highly recommended!
Perfect · Always opens PC to Mac attachments! Very useful for our firm's technology mix.
Very easy to use, opens winmail.dat attachments effortlessly to recover attachments within
– Mr. Zinc
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Meet the family.
Letter Opener for macOS
Open the Winmail.dat, MSG and XPS files with just one double-click!
Letter Opener for macOS Mail
Seamlessly and automatically converts winmail.dat files right inside your macOS Mail application.
Letter Opener for Windows
PC users can join in, too! The best Winmail.dat Viewer has finally arrived on Windows.