Check out our winmail.dat solution for iPhone, iPad, Android, Mac and Windows devices.

Did you receive an email that included an attachment with “winmail.dat” in the name. This may happen if the email message was sent to you by someone using a incorrectly configured Microsoft email app like Outlook.

Incorrectly configured Microsofts Outlook e-mail app may send e-mails in the “Transport Neutral Encapsulation Format” (TNEF), named “winmail.dat”. This occurred because the sender used the Rich Text message format (like bold, italics etc) encapsulated in the Transport Neutral Encapsulation Format (TNEF), which your OS X Mail app could not recognize.

PST is received Your order is picked, packed and sent out Your order is on its way to you Your order is delivered. Place your order BEFORE 11 a.m. Memory stick pro duo adapter. PST cutoff: Monday Tuesday Wednesday Order before 11 a.m. PST Cutoff: Monday Tuesday Wednesday Thursday Order placed after 11 a.m. PST, and your order is picked, packed and sent out Your order is on its way to you Your order is delivered Place your order AFTER 11 a.m.

A TNEF-encoded email message will contain a plain text version of the mail you received. Thus you may simply ignore this attachment.

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You will see this as:

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Content-Type: application/ms-tnef;
name=”winmail.dat”

What if I want to open the Winmail.dat file?

Winmail.dat file is a Microsoft proprietary Outlook/Exchange format. The most convenient way to view this file is to use a converter program. There are many available. For instance, this is a free online converter that you may use to open the “winmail.dat” file.

Another option is to use the TNEF’s Enough for Mac OS app, which is also available on the Mac Store.

Screenshots

Description

Open Winmail.dat, MSG and XPS files with just a double-click.
Try all in-app purchases 14 days for free!
ABOUT
A winmail.dat file is an email from Microsoft Outlook that can not be read by other email applications. It needs to be converted for the content to be accessible.
Letter Opener does that with a simple double-click!
With 10 years experience (and a special dislike for winmail.dat files) we made sure that working together with Microsoft Outlook and Windows users can be simple and seamless.
FEATURES
- Open winmail.dat and MSG files and convert Microsoft Outlook appointments, notes, contacts etc. to macOS native formats.
- Convert Microsoft XPS documents to Adobe PDF files
- Quickly view the contents of a Winmail.dat, MSG and XPS file with a tap on your space-bar via Quick Look
- Once extracted, files can be treated like any other file on your computer
Letter Opener speaks your language! It’s fully localized in Arabic, Chinese, Dutch, French, German, Hindi, Italian, Japanese, Korean, Portuguese, Russian, Spanish and Swedish.
IN-APP PURCHASES
- Winmail.dat Premium: Access to attachments in winmail.dat files
- MSG Premium: Access to attachments in MSG files
- XPS Premium: Convert XPS files to PDF files
- File Extension Premium: Fix files with the wrong or no extension
FREE TRIAL
The trial allows you to use all premium-features 14 days for free! After the trial period you can keep reading message text. The premium add-ons can conveniently be purchased individually.
SUPPORT
We provide direct personal support, so don’t hesitate to contact us if you have any questions or comments: support@winmail.help
Thanks for helping us to keep improving Letter Opener!

What’s New

- Improvements
- Added localizations
- Bug fixes
If you encounter any problems or have questions please go to Help > Feedback Assistant to send a report or contact us via email: support@winmail.help
Please consider writing a short review or to rate Letter Opener. Thank you!

Works well for occasional user

I have a colleague who uses Microsoft to my Apple, and sometime could not open files he sent me. Using this I can do so with little fuss, even when I have forgotten how. I could just do without the irritation of having to write a review every time I use it.

Developer Response,

Thanks for the great review! We hear you and are already looking into an improvement for the next update 🙂

Great programme!

This is a really useful programme and works flawlessly. I had some important files that I couldnt open and this app just fixes it immediately. Thanks guys!

Great App but have turned it into a spammer

For some reason, the developers think it is good marketing to put up a screen asking you to rate the app which cannot be removed unless you close the whole app or carry out a review. When you pay for an app, you do not expect that behaviour. My advice is to avoid it until they have sorted this out. The app is great, shame they have employed someone who thinks it is clever to waste your time.

Winmail Dat Viewer

Developer Response,

Thanks for the feedback! We are really sorry for the troubles. We got the message and have already changed that behaviour in the next update 😅

Free Winmail.dat Viewer For Mac

Information

OS X 10.9 or later, 64-bit processor

Acrobat reader for macbook pro. PDFelement for Mac is an excellent PDF reader for Mac users. It provides various modes to view PDF documents, and many other options to adjust the zoom settings. It provides various modes to view PDF documents, and many other options to adjust the zoom settings.

Adobe Acrobat Reader For Mac

English, Arabic, Dutch, French, German, Hindi, Italian, Japanese, Korean, Portuguese, Russian, Simplified Chinese, Spanish, Swedish

Outlook Winmail Dat

• Family Sharing

  Up to six family members will be able to use this app with Family Sharing enabled.