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To download Winmail Opener + from the Mac App Store, you need a Mac with OS X 10.6.6 or later. Learn More.

Winmail Opener +

By Gerald Ni

Open the Mac App Store to buy and download apps.


Winmail Opener + helps you instantly open and view winmail.dat attachment.

Sometimes you got an email with an attachment named 'Winmail.dat', you don't even know what it is.

Actually if you receive an email message sent from a Microsoft email app such as Outlook or Microsoft Exchange, the message might include an attachment with "winmail.dat" in the name.

You don't need to ask the sender to resend the mail in plain text or HTML, simply open the winmail.dat file with Winmail Opener +, you can view the original mail content and all the attachments instantly.

Key Features:
* Open winmail.dat file, lets you view, open or export files within the winmail.dat.
* Easy-to-use application, you can open a file, drag and drop files to it.
* Simple and fast, decode and view winmail.dat file instantly without waiting.

What's New in Version 1.1.0

Fixed a hang when adding certain type of winmail.dat.


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Customer Reviews

Excellent support - app works

I had some early problems, but tech support replied quickly and solved my problem. The file I was sent was incomplete. They had me send the original file, checked it out, and sent the .jpg back to me. Excellent customer servers .. highly recommend!

Winmail Opener +
View in Mac App Store
  • $1.99
  • Category: Utilities
  • Updated:
  • Version: 1.1.0
  • Size: 2.2 MB
  • Language: English
  • Seller:

Compatibility: OS X 10.7 or later, 64-bit processor

Customer Ratings

We have not received enough ratings to display an average for the current version of this application.