How can I parse the winmail.dat file? When a message is sent from Outlook the attachments are contained in a file named winmail.dat. That is a file in the TNEF. The winmail.dat file usually appears because various mail programs handle message formats differently. Certain messages sent from the Microsoft Outlook mail program (or a Microsoft Exchange server) may arrive with a winmail. Anesthesia Comprehensive Review 4th Edition there. dat attachment if your own mail program is not set up to handle mail in the Microsoft Outlook Rich Text Format.

Microsoft Outlook/Exchange MS-TNEF handling (aka 'Winmail.dat', 'Win.dat', or 'Part 1.2' problem of unopenable email attachments) Microsoft Outlook/Exchange MS-TNEF handling (aka 'Winmail.dat', 'Win.dat', or 'Part 1.2' problem of unopenable email attachments) David A. Wheeler 2017-12-30 (first released 2006-06-12) All too often nowadays people report that they 'can't open the attachment' of an email, because they only received a file named (typically) 'Winmail.dat', 'Win.dat', or 'Part 1.2'. Here's a brief explanation of the problem, and what to do about it.

The Problem: Microsoft Outlook sometimes sends a non-standard format (TNEF) The basic problem is that in certain cases Microsoft's Outlook or Exchange programs use a nonstandard extra packaging mechanism called 'ms-tnef' or 'tnef' when it sends email - typically when it sends attachments. What Outlook is supposed to do is simply use the industry standards (such as MIME and HTML) directly for attachments, but Outlook fails to do so and adds this other nonsense instead. The full name of the format is 'Transport Neutral Encapsulation Format', but that is a misleading name, because it obstructs reception due to its non-neutral, non-standard nature. Most other email readers cannot read this nonstandard format. Email clients that can't (currently) read this format include Lotus Notes, Thunderbird / Netscape Mail, and Eudora. In fact, even Microsoft's own Outlook Express can't read this format! Genesis Evolution Morph Bundle Daz3d.

If your e-mail program receives a TNEF file and doesn't understand it, instead of seeing the e-mail and/or attachment, you may only see an attachment named 'Winmail.dat', 'win.dat', 'Part 1.2', or something else ending in '.dat' or '.eml'. You can get software to read this file format, if you need to; the details are below. Senders: How to fix Outlook/Exchange The problem seems to be two-part: Microsoft Outlook (their 'client' program, used on the desktop) and Microsoft Exchange (their 'mail server' program, used by a group of people to send and receive email with the rest of the world). If you use Microsoft Outlook, and want to send attachments outside your office, you have to reconfigure Outlook so that other people can read the files you send:-(.

Ideally, convince your IT department to fix your whole organization., Outlook 2002/XP and Outlook 2003 should be configured this way so that email sent outside is not corrupted: • On the 'Tools' menu, click 'Options', then click the 'Mail Format' tab, and then the 'Internet Format' button. • Set 'When sending Outlook Rich Text messages to Internet.' To either 'Convert to HTML format' or 'Convert to Plain Text format'. If you prefer, in all versions of Outlook, you can disable TNEF completely: • On the 'Tools' menu, click 'Options', and then click the 'Mail Format' tab.

• In the 'Send in this message format' list, click 'Plain Text' or 'HTML', and then click 'OK'. One oddity: don't send a calendar entry / meeting invitation and an attachment in the same message; some versions of Outlook will send TNEF in this case, even if you've told it not to. These two programs are the top two ways that Windows systems get exploited. Replacing them with more secure applications is more important than installing a virus checker - yes, Windows systems also need virus checkers, but cover your oozing wounds before worrying about innoculations. Danaher Motionlink Download more. A simple and free way to do that is to get, but just about any alternative will do. Receivers: How to read TNEF anyway So, you just received a nonstandard format - now what?