16.0.8 Safe to install
Open Winmail.dat, MSG, and XPS files with ease.
About
A winmail.dat file or MSG file is an email from Microsoft Outlook that cannot be read by other email applications. Conversion is necessary for the content to be accessible.
Letter Opener simplifies this process with just a tap. With our extensive experience of over 10 years (and a particular aversion to winmail.dat files), we have ensured that working with Microsoft Outlook and Windows users is effortless and seamless.
Features
- Open Winmail.dat and MSG files and convert appointments, notes, contacts, etc., to iOS native formats.
- Access all attachments in Winmail.dat files.
- Export files to another app.
Support
We provide direct personal support, so please feel free to contact us if you have any questions or comments: [email protected]
We appreciate your help in our continuous improvement of Letter Opener!
Overview
Winmail Viewer - Letter Opener is a Freeware software in the category System Utilities developed by Letter Opener GmbH.
The latest version of Winmail Viewer - Letter Opener is 16.0.8, released on 04/07/2025. It was initially added to our database on 10/11/2023.
Winmail Viewer - Letter Opener runs on the following operating systems: iOS.
Users of Winmail Viewer - Letter Opener gave it a rating of 5 out of 5 stars.
FAQ
What is Winmail Viewer?
Winmail Viewer is a software application that allows users to open and view TNEF (Transport Neutral Encapsulation Format) files, which are often attached to emails sent from Microsoft Outlook.
What types of files can Winmail Viewer open?
Winmail Viewer can open TNEF files typically contained in 'winmail.dat' attachments.
Is Winmail Viewer available for multiple operating systems?
Yes, Winmail Viewer is available for both Windows and Mac operating systems.
Does Winmail Viewer require an internet connection to function?
No, Winmail Viewer does not require an internet connection to open and view TNEF files.
Can I extract files from winmail.dat attachments using Winmail Viewer?
Yes, you can easily extract any attachments or embedded files included in the TNEF files using Winmail Viewer.
Is there a free version of Winmail Viewer?
Winmail Viewer offers a free version with limited features, while the paid version includes additional functionality and support.
How do I install Winmail Viewer?
To install Winmail Viewer, simply download the installer from the Letter Opener GmbH website and follow the on-screen instructions.
What should I do if I have issues opening a TNEF file?
If you have trouble opening a TNEF file, ensure that the file is not corrupted. You can also consult the FAQs or support section on the Letter Opener GmbH website for troubleshooting tips.
Is customer support available for Winmail Viewer?
Yes, customer support is available through the Letter Opener GmbH website, and users can submit inquiries or access help documentation.
Can I use Winmail Viewer on mobile devices?
Currently, Winmail Viewer is designed for desktop use and is not available as a mobile application.
Screenshots (Click to view larger)
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