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1. #HOW TO OPEN A WINMAIL DAT FILE ON MY MAC HOW TO#
2. #HOW TO OPEN A WINMAIL DAT FILE ON MY MAC DOWNLOAD#
3. #HOW TO OPEN A WINMAIL DAT FILE ON MY MAC WINDOWS#

Before you do that, however, you should make sure you know who sent it and what it contains. Once the application has opened it, you can export it in the correct file format.Īs you can see, there are a number of ways to open winmail.dat files on your Mac.

#HOW TO OPEN A WINMAIL DAT FILE ON MY MAC DOWNLOAD#

Download it from the Mac App Store, launch it, drag the winmail.dat attachment onto it, or right-click the attachment and choose 'Open with' and TNEF's Enough.

TNEF's Enough is a macOS app designed to identify open winmail.dat files.

#HOW TO OPEN A WINMAIL DAT FILE ON MY MAC HOW TO#

How to open a winmail.dat file using TNEF’s Enough If it was a calendar invitation, save it as. For example, if it was a Word document, save it as. You can then save the attachment with a meaningful name and a file extension that can be opened by an application that opens that type of file. If the sender tells you they did intend to send an attachment, ask them what type of file they sent. How to open a winmail.dat file by saving it in the right format So, if you have a Gmail account, forward the email to that and then navigate to in a web browser, log in and open the forwarded message there. Google’s web-based Gmail client is adept at identifying whether winmail.dat files are just rich text versions of an email message or what kind of document the attachment should be. Click Choose File and navigate to the attachment you saved.Save it to your desktop using your email client’s save attachments facility – in Apple Mail, you can right-click the attachment and choose Save.That should stop the winmail.dat file from being attached. To prevent this from happening in the future, you could ask the sender to set Outlook to compose emails as plain text or HTML. If the answer is no, it’s likely that that the attachment is the rich text version of the email. So, before you try and open the attachment, ask the sender what they intended to send you and whether their email should have had an attachment. The second thing to say is that, as we explained above, it could be that the attachment is nothing more than a rich text version of the text in the body of the email. The fact that an attachment arrives in your inbox with the generic name ‘winmail.dat’ means you can’t possibly know what it is or whether the recipient intended to send it. As a general rule, you should never open any email attachment unless you’re sure what it is and trust the email sender.

The first thing to say about opening winmail.dat files is: be careful. How to open a winmail.dat file on your Mac In some cases, the winmail.dat attachment may actually be a real attachment, such as a Word document or calendar invitation that has been wrongly encoded. And while the Mac can happily read and write RTF files, somewhere between the message being encoded by Outlook or Microsoft Exchange and it being sent, the message is appended with a winmail.dat file. In some cases, the email sender has set Outlook to compose messages in rich text format (RTF). A winmail.dat file is one that Microsoft Outlook creates as a wrapper for data. You could open it in a text editor and try and determine what type of data is in the file, then manually choose which app to try and open in it by right-clicking the file in the Finder and selecting ‘Open with’ from the contextual menu.įor this article, though, we’re concerned with one specific type of.

Because macOS doesn’t know what type of data the file holds, it can’t assign an app to open it. That data could be just about anything, including text, graphics, or even video. dat extension simply means the file is a data file. We’ll also tell you why you might not want to open them. In this article, we’ll take a deep dive into winmail.dat files, explain what they are and how you can open them on your Mac.

#HOW TO OPEN A WINMAIL DAT FILE ON MY MAC WINDOWS#

If you regularly receive emails from Windows users who use Microsoft Outlook as their email client, you may have received attachments with the name ‘winmail.dat.’ You’ve probably tried to open the attachment on your Mac and discovered that macOS couldn’t open it. But to help you do it all by yourself, we’ve gathered our best ideas and solutions below.įeatures described in this article refer to the MacPaw site version of CleanMyMac X. So here's a tip for you: Download CleanMyMac to quickly solve some of the issues mentioned in this article.