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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Letter Opener for macOS

Open Winmail.dat, MSG and XPS files with just one double-click!

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Letter Opener for macOS Mail

Seamlessly and automatically converts winmail.dat files right inside your macOS Mail application.

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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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