Open winmail.dat files

With just a double-click

Letter Opener for Windows Icon

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What is in Winmail.dat file?

A email message from Microsoft Outlook.


Great apps for opening dat viewer, needed it in a hurry and it providing on time changes and would be glad to use it again.
– Gregory

It does exactly what I needed - opening winmail.dat files. It works every time and I have no problems. Thank you for delivering exactly what you promised.
– Melissa

This if a great app. Opening winmail has always been a pain but not now. Immediate opening and reading. Great. Worth every penny.
– Sheila

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Meet the family

Letter Opener for macOS
Open Winmail.dat, MSG and XPS files with just a simple double-click!
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Letter Opener for macOS Mail
Automatically converts and displays winmail.dat files in your macOS Mail app.
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Letter Opener for iOS
Get full-featured winmail.dat viewing power for iPhone, iPad and iPod touch!
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