You may receive winmail.dat files from your client or friend who is using outlook or exchange mail. Winmail.dat contains all attachments and rich text message, but not all e-mail clients can recognize its format. Enolsoft Winmail Viewer is a smart letter opener for you to open, view, extract, and save the contents of winmail.dat files.

With Winmail Viewer, you can
√ Quickly open and view Winmail.dat files.
√ You could open and read all the contents of a Winmail.dat file, including the text(RTF, TXT, and HTML encode) and attachments.
√ Support tab view, you could open and read multiple Winmail.dat files at a time easily.
√ Open and preview Winmail.dat single attachment file in external applications.
√ Extract and save files contained in the Winmail.dat attachment.
√ Display all attachment of the Winmail.dat files with two modes - Thumbnail and Information.
√ Simple and fast to use.
√ Yes, it works with macOS Mojave 10.14!

How to use Winmail Viewer:
1. Open Winmail.dat file: Just drag-n-drop the Winmail.dat files into the program, you are able to open and view multiple Winmail.dat files at a time with tab view.
2. Preview attachments in Winmail.dat file: Double click the document that you want to preview, then it will be opened and you could preview contents.
3. Export and save the Winmail.dat file attachments: Drag-n-drop the attachments into the file folder that you would like to save, then it will be exported.

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What’s New

Version 3.5.0

1. Optimized tab viewing experience.
2. Brand new interface.
3. Fixed some minor bugs.

Ratings and Reviews

3.9 out of 5
18 Ratings
18 Ratings
Where mr.right ,

Good, Keep go on!

I like it for some time, it helped me read lots winmal .dat files from my customers and did perfectly every time, and helped me save much time to view files. And this time, it gets upgraded again, it is good, I download and try it today. I hope Enolsoft Winmail Viewer has better future, and brings more benefits to us.

Venus.Mills ,

Perfect winmail viewing tool!

I am happy to get this tool, it is pretty easy-to-use and highly-efficient, I can quickly open multiple winmail dat files from my clients, and what makes me surprised, I can easily save the important files onto desktop folder.

Angelita.Laboy ,

Good, tiny yet pretty useful and professional

Very cute and useful tool to open and read winmail attached file. When I open it, drag my winmail attached package onto it, it quickly opens my files, and lets me easily read, preview, and extract to save what the parts I want the most.


2.2 MB

OS X 10.10 or later, 64-bit processor



Age Rating
Rated 4+
© 2011-2019 Enolsoft Co., Ltd. All Rights Reserved.


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    With Family Sharing set up, up to six family members can use this app.

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