
If you click on “File” and then go to “Options,” in your Outlook and then click on “Mail,” you will notice here where it says “Compose messages in this format”. Now Winmail.dat attachments are sent out from Outlook when you compose your email in Rich Text format because this is the way that it sends to the recipient information about how your text is formatted in your email.
HOW TO OPEN A WINMAIL DAT FILE ON A PC HOW TO
My name is Gordon from Gimmio and today we’re going to talk about how to fix the Winmail.dat attachments being sent out from Outlook. The video provides a step by step guide on what winmail is and how to stop winmail.dat files being sent with Outlook, on the latest version of Windows. Video: How to Fix Winmail.dat Attachments in OutlookĪs a further more updated resource, check out this June 11th 2019 video from Gordon of Gimmio. It looks like this and is very simple to use How To Open Winmail.dat Filesĭo you need access to Winmail.dat files? Check out for a handy tool. It’s completely up to you as a user which option you select. Under the Message Format section, where it says “ When sending messages in Rich Text format to Internet recipients:” select Plain Text from the drop down menu.īoth Options A and B will prevent winmail.dat problems for non Outlook email recipients. Scroll towards the bottom of the dialog box.

Select Plain Text from the drop down menu. Outlook 2007 & older: Select Tools > Options > Email Format > Internet Options. Option B: Change your DEFAULT sending mode in Outlook, thereby sending all email messages as plain text. Before sending it, select Format > Plain Text from the menu bar, then send your message. Option A: Every time you send an email message within Outlook. Compose a new email message as per normal. If you know your regular email recipients do not use Outlook, or to eliminate winmail.dat problems for your recipients completely, there are a couple of options within your Outlook program. Winmail.dat files are created and can cause problems for users of webmail and email clients such as Eudora, Gmail, Yahoo, etc. As useful as these extra formats might be, this is the ultimate cause of winmail.dat files which might require additional programs to open. Microsoft Outlook has many options, one of which is the ability to send emails using different text formats. This means anyone not using Outlook, who receives and opens an email in the HTML or Rich Text format, will find a winmail.dat file attached as well. Unfortunately, Outlook is the only email client program that utilizes winmail.dat information. Microsoft Outlook uses this data on the receiving end to display email messages correctly. But what is a winmail.dat file, really? A winmail.dat file contains email formatting information, in an unreadable form for humans.

dat file to the the end of the email message.

Microsoft Outlook automatically generates a winmail.dat file when an Outlook email user composes and sends a message using the Rich Text Format or HTML Format.
