It includes information on disabling winmail.dat for specific recipients.
Receiving email clients that do not understand this code display it as an attachment.
Outlook may also pack other file attachments in the winmail.dat file.
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To prevent Outlook from attaching a winmail.dat file when you send an email:
Go toFile.
In theCompose messagessection, select theCompose messages in this formatdrop-down arrow and choose eitherHTMLorPlain Text.
UnderCompose in this message format, choose eitherHTMLorPlain Text.
In Outlook 2019 and 2016
see to it the email address is not in your Outlook Contacts.
Open an email from the desired email address or start a new message to it.
UnderInternet format, selectSend Plain text only.
In Outlook 2013, 2010, and 2007
Search for the desired contact in your Outlook Contacts.
Double-nudge the contact’s email address or right-nudge the desired email address and then select eitherOpen Outlook PropertiesorOutlook Properties.
UnderInternet format, select eitherLet Outlook decide the best sending formatorSend Plain Text only.
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