Winmail.dat files are generated by Microsoft Exchange and Microsoft Outlook, Mac users typically find them arriving in emails sent from the Windows world and opened in Mail app, and the winmail.dat files can be one of two things; rich text formatting for an email (for example, bolded text, or a stylized HTML email signature, a vcard), and less. 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. * Mac, Linux, iPad, iPhone, Blackberry and other mobile users should use the free online version. If you believe that this application saved your life: Winmail.dat or ATT0001.dat attachments are TNEF encoded files sent by Microsoft Outlook and Exchange. Please refer to the following information, to choose your best Winmail.dat Opener on mac. No.1 Cisdem DocumentReader ($14.99) Cisdem Document Reader is an one-stop solution for you to open winmail.dat files on Mac and allows any attachments contained in them to be previewed and saved. Cisdem WinmailReader for Mac 2.0.0 Cisdem WinmailReader for Mac can open Winmail.dat files and preview or save the attachment. You can double-click to check the message and the attachment, or drag-and-drop to open multiple files. Software Terms: Winmail Reader, Open Winmail dat, Winmail dat Reader, Open Winmail dat On Mac. I've found this workaround: If you Save the winmail.dat file with.pdf on the end, then you can Open that Saved file with Preview. A bit of a drag having to Save the File but this method is free, it works, and luckily I only have one emailer who uses winmai.dat.

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

Winmail Dat Reader

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.

Winmail Dat Viewer

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.

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

Winmail.dat Reader For Mac Free Download

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.

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.

Winmail Dat Opener 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.