#HOW TO OPEN A WINMAIL DAT FILE ON WINDOWS MAC OS X#
For best results, make sure the Show File Extensions feature in Mac OS X is turned on. For example, if you receive an e-mail from a Windows Outlook user that says “import a Microsoft Word document attached,” you know it’s assumed to be.
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Often, the easiest way to open a winmail.dat file in Mac OS X is to save it and re-mark the file as the intended file type. There are several ways to open and use Winmail.dat files in Mac OS X, we’ll cover three of them one involves a re-tagging trick, one uses the app, and the other a webmail client Method 1: Save the Winmail.dat file as the intended file type Because it can be difficult to know in advance between the two, it is important to know the purpose of the sender of the email, if it is just a casual message with a small winmail.dat file attached, it can usually be ignored, while if the sender refers to an attached document that is displayed as a winmail.dat file instead of a reference. In fact, Apple urges itself to completely ignore the winmail.dat files if they arrive in Mail, which is often fair advice, but in some situations the winmail.dat file is a real email attachment that has been misidentified, and therefore has to be open. Keep in mind that if the winmail.dat file is simply a rich text version (TNEF) of the email you receive, there is little reason to open it, as it would simply be a stylized version of the email you already received (just like the difference between TXT vs RTF files).
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3 Ways to Open Winmail.dat Files on a Mac