The longest running Mac solution for "winmail.dat" files. No cost and no in-app purchase to use!

TNEF's Enough allows Macs to read and extract files from Microsoft TNEF files. The files are usually received via email from Microsoft Exchange and Microsoft Outlook users. Standard e-mail programs will receive the TNEF file as an attachment named "winmail.dat."

The "winmail.dat" file can contain attachments, contact files (.vcf) or calendar files (.ics) as well as a rich text or HTML version of the email body. TNEF's Enough can open the "winmail.dat" file and allow you to extract the attachments.

What’s New

Version 3.8

Updated for macOS 10.15 (Catalina) and supported back to macOS 10.11 (El Capitan).

Ratings and Reviews

4.9 out of 5
123 Ratings

123 Ratings

Portlander freaking out ,

would have paid for this!

Drag and drop - that’s it! Thank you so much, I was ripping my hair out trying to open tax files from our fired accountant - really didn’t want to make that call to get them and now I don’t have to - thank you!!!!!!

Al on the coast ,

Works perfectly

Every so often I get some .dat files from the unfortunate people who have to use PC's.
This app unzips the content and allows you to simply drag the contents wherever you like.
Fantastic - Thanks

windat_user ,

Use this App!

Do not fall for other Windat readers just because they appear higher in App Store. This one is REALLY free and works well! Other Windat readers I tried have hidden fees - especially those rated higher

App Privacy

The developer, Josh Jacob, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

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

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