When you realize you have made a mistake or forgotten an attachment after sending your email message, you want to recall it, edit or attach the missing attachment, then resend it.
You may have situation where an email is not to be dispatched but accidentally sent or being transmitted to a wrong addressee. In this case, you just want to recall it, without replacement.
You can recall your email message by following the under mentioned steps:
Option 1: Resend with Replacement Message:
In Mail, in the Navigation Pane, click Sent Items.
Open the message you want to replace.
On the Actions menu, click Recall This Message.
Click Delete unread copies and replace with a new message.
Click OK, and then type a new message or edit the message and include the attachment.
Click Send.
Option 2: Resend without Replacement Message:
In Mail, in the Navigation Pane, click Sent Items.
Open the message you want to recall.
On the Actions menu, click Recall This Message.
Click Delete unread copies of this message.