Do some attachments appear in the message body?
When you send attachments or a file to an email message, the message format determines how the attachment appears in the Outlook message window.
When you reply to a message, by default, the format of the received message is used for your reply. To change the message format when composing a message, do the following:
On the Format Text tab, in the Format group, click HTML, Plain Text, or Rich Text.
You can also change the default message format so that all messages that you send us a specified format or specify that all messages sent to one of your Outlook contacts always use a specific format. For more information about how to change message formats, see Change the message format to HTML, Rich Text, or plain text.
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