Messages sent from older versions of Microsoft email apps, like Outlook or Microsoft Exchange, might include an attachment with winmail.dat in the name. The file doesn't appear in the sending app, but it does appear in Mail. In other email apps, it might appear as a MIME section named application/ms-tnef. This happens when the sending app uses Transport Neutral Encapsulation Format (TNEF).

The winmail.dat file might not contain any useful information or it might contain a document or other file.

To open a winmail.dat file on your iPhone, iPad, iPod touch, or Mac, follow these steps:

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1. Open the message in Mail.
2. Touch and hold the winmail.dat attachment. Or on a Mac, choose File > Save Attachments to save the winmail.dat file.
3. Open the file with a third-party winmail.dat viewer. You can find these types of viewers on the App Store.
   

If you’ve ever received an email message from a Windows sufferer than you’ve likely received a winmail.dat file. Thank you, Microsoft, for making email even worse than it already is.

Winmail.dat files are TNEF’s. Transport Neutral Encapsulation Format attachment files which allow Microsoft Outlook users to receive email messages which retain the original formatting. Those files are much hated among the Mac community but there’s a way out.

For Better Or For Worse

The winmail.dat problem is so prevalent that there’s WinMail.Dat website which will extract those attachments for free. The Mac App Store has an app that does the deed, too. It’s called WinMail DAT Viewer Pro; inexpensive and it works.

GhostReader GhostReader is an easy to use, fully customizable Text to Speech app that allows you to listen to written text on your Mac. Natural reader for mac 10-7959c. Read selected texts from any other application, import texts in several formats and listen to them on the go. GhostReader’s intuitive design and extensive range of features help you to effortlessly save time, improve your work or enhance your learning experience.

Or, if you’re an owner of a new Apple Watch Edition model, the one that can skew upwards of $17,000, then you’ll prefer to use Letter Opener Pro to take care of those nasty winmail.dat attachment files. Cbr cbz file reader for mac.

Best Winmail.dat Reader For Mac

Why? Because you have money to burn and enjoy it.

What Letter Opener Pro does is what the manual method does, but automatically, in the background so you never know it’s around, and you never get those nasty winmail.dat attachment files to worry about.

Dat File Reader

There’s a price to pay for automatic, of course, but if you deal with many winmail.dat files then Letter Opener Pro is a worthy choice. There’s also a free Lite version with in-app upgrade options– perfect to try it out to see if it works for you.

Adobe Reader For Mac

This is one of those handy utilities that is worth the price tag if you have the winmail.dat problem regularly. Install it and it just works. That’s why the reviews are good, because Mac users appreciate anything that helps them overcome a Windows and Office design flaw.