Unknown .dat files attach to my outgoing email, how do I stop it?

M

Mike A

When I write a new email message in Outlook the recipients report back that
there are unknown and unexplained .dat files attached to the email, files I
know nothing about and that they cannot open. This does not happen when I
compose my mail in ms-word and send it out of outlook. It only happens when
I compse the email in Outlook. I have run anti-virus and found nothing.
What is this and how can i stop it.
 
N

neo [mvp outlook]

If the file is named winmail.dat, try changing your message format to plain
text or html and consider disabling Word as your e-mail editor.
 
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